2019910400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{10181}}^1$

素因数の和:10238

約数の個数: 108

約数和(自身を含む): 5161377984

約数和(自身を除く): 3141467584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1280, 1550, 1600, 1984, 2480, 3100, 3200, 3968, 4960, 6200, 6400, 7936, 9920, 10181, 12400, 19840, 20362, 24800, 39680, 40724, 49600, 50905, 81448, 99200, 101810, 162896, 198400, 203620, 254525, 315611, 325792, 407240, 509050, 631222, 651584, 814480, 1018100, 1262444, 1303168, 1578055, 1628960, 2036200, 2524888, 2606336, 3156110, 3257920, 4072400, 5049776, 6312220, 6515840, 7890275, 8144800, 10099552, 12624440, 13031680, 15780550, 16289600, 20199104, 25248880, 31561100, 32579200, 40398208, 50497760, 63122200, 65158400, 80796416, 100995520, 126244400, 201991040, 252488800, 403982080, 504977600, 1009955200, 2019910400]

約数ペア:

[(1, 2019910400), (2, 1009955200), (4, 504977600), (5, 403982080), (8, 252488800), (10, 201991040), (16, 126244400), (20, 100995520), (25, 80796416), (31, 65158400), (32, 63122200), (40, 50497760), (50, 40398208), (62, 32579200), (64, 31561100), (80, 25248880), (100, 20199104), (124, 16289600), (128, 15780550), (155, 13031680), (160, 12624440), (200, 10099552), (248, 8144800), (256, 7890275), (310, 6515840), (320, 6312220), (400, 5049776), (496, 4072400), (620, 3257920), (640, 3156110), (775, 2606336), (800, 2524888), (992, 2036200), (1240, 1628960), (1280, 1578055), (1550, 1303168), (1600, 1262444), (1984, 1018100), (2480, 814480), (3100, 651584), (3200, 631222), (3968, 509050), (4960, 407240), (6200, 325792), (6400, 315611), (7936, 254525), (9920, 203620), (10181, 198400), (12400, 162896), (19840, 101810), (20362, 99200), (24800, 81448), (39680, 50905), (40724, 49600)]