2021840000

素因数分解:

$2^7\times 5^4\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 160

約数和(自身を含む): 5098368000

約数和(自身を除く): 3076528000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 127, 128, 160, 199, 200, 250, 254, 320, 398, 400, 500, 508, 625, 635, 640, 796, 800, 995, 1000, 1016, 1250, 1270, 1592, 1600, 1990, 2000, 2032, 2500, 2540, 3175, 3184, 3200, 3980, 4000, 4064, 4975, 5000, 5080, 6350, 6368, 7960, 8000, 8128, 9950, 10000, 10160, 12700, 12736, 15875, 15920, 16000, 16256, 19900, 20000, 20320, 24875, 25273, 25400, 25472, 31750, 31840, 39800, 40000, 40640, 49750, 50546, 50800, 63500, 63680, 79375, 79600, 80000, 81280, 99500, 101092, 101600, 124375, 126365, 127000, 127360, 158750, 159200, 199000, 202184, 203200, 248750, 252730, 254000, 317500, 318400, 398000, 404368, 406400, 497500, 505460, 508000, 631825, 635000, 636800, 796000, 808736, 995000, 1010920, 1016000, 1263650, 1270000, 1592000, 1617472, 1990000, 2021840, 2032000, 2527300, 2540000, 3159125, 3184000, 3234944, 3980000, 4043680, 5054600, 5080000, 6318250, 7960000, 8087360, 10109200, 10160000, 12636500, 15795625, 15920000, 16174720, 20218400, 25273000, 31591250, 40436800, 50546000, 63182500, 80873600, 101092000, 126365000, 202184000, 252730000, 404368000, 505460000, 1010920000, 2021840000]

約数ペア:

[(1, 2021840000), (2, 1010920000), (4, 505460000), (5, 404368000), (8, 252730000), (10, 202184000), (16, 126365000), (20, 101092000), (25, 80873600), (32, 63182500), (40, 50546000), (50, 40436800), (64, 31591250), (80, 25273000), (100, 20218400), (125, 16174720), (127, 15920000), (128, 15795625), (160, 12636500), (199, 10160000), (200, 10109200), (250, 8087360), (254, 7960000), (320, 6318250), (398, 5080000), (400, 5054600), (500, 4043680), (508, 3980000), (625, 3234944), (635, 3184000), (640, 3159125), (796, 2540000), (800, 2527300), (995, 2032000), (1000, 2021840), (1016, 1990000), (1250, 1617472), (1270, 1592000), (1592, 1270000), (1600, 1263650), (1990, 1016000), (2000, 1010920), (2032, 995000), (2500, 808736), (2540, 796000), (3175, 636800), (3184, 635000), (3200, 631825), (3980, 508000), (4000, 505460), (4064, 497500), (4975, 406400), (5000, 404368), (5080, 398000), (6350, 318400), (6368, 317500), (7960, 254000), (8000, 252730), (8128, 248750), (9950, 203200), (10000, 202184), (10160, 199000), (12700, 159200), (12736, 158750), (15875, 127360), (15920, 127000), (16000, 126365), (16256, 124375), (19900, 101600), (20000, 101092), (20320, 99500), (24875, 81280), (25273, 80000), (25400, 79600), (25472, 79375), (31750, 63680), (31840, 63500), (39800, 50800), (40000, 50546), (40640, 49750)]