40795000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 98406000

約数和(自身を除く): 57611000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 199, 200, 205, 250, 328, 398, 410, 500, 625, 796, 820, 995, 1000, 1025, 1250, 1592, 1640, 1990, 2050, 2500, 3980, 4100, 4975, 5000, 5125, 7960, 8159, 8200, 9950, 10250, 16318, 19900, 20500, 24875, 25625, 32636, 39800, 40795, 41000, 49750, 51250, 65272, 81590, 99500, 102500, 124375, 163180, 199000, 203975, 205000, 248750, 326360, 407950, 497500, 815900, 995000, 1019875, 1631800, 2039750, 4079500, 5099375, 8159000, 10198750, 20397500, 40795000]

約数ペア:

[(1, 40795000), (2, 20397500), (4, 10198750), (5, 8159000), (8, 5099375), (10, 4079500), (20, 2039750), (25, 1631800), (40, 1019875), (41, 995000), (50, 815900), (82, 497500), (100, 407950), (125, 326360), (164, 248750), (199, 205000), (200, 203975), (205, 199000), (250, 163180), (328, 124375), (398, 102500), (410, 99500), (500, 81590), (625, 65272), (796, 51250), (820, 49750), (995, 41000), (1000, 40795), (1025, 39800), (1250, 32636), (1592, 25625), (1640, 24875), (1990, 20500), (2050, 19900), (2500, 16318), (3980, 10250), (4100, 9950), (4975, 8200), (5000, 8159), (5125, 7960)]