15705513820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{55579}}^1$

素因数の和:55858

約数の個数: 48

約数和(自身を含む): 33614784000

約数和(自身を除く): 17909270180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 284, 355, 398, 710, 796, 995, 1420, 1990, 3980, 14129, 28258, 55579, 56516, 70645, 111158, 141290, 222316, 277895, 282580, 555790, 1111580, 3946109, 7892218, 11060221, 15784436, 19730545, 22120442, 39461090, 44240884, 55301105, 78922180, 110602210, 221204420, 785275691, 1570551382, 3141102764, 3926378455, 7852756910, 15705513820]

約数ペア:

[(1, 15705513820), (2, 7852756910), (4, 3926378455), (5, 3141102764), (10, 1570551382), (20, 785275691), (71, 221204420), (142, 110602210), (199, 78922180), (284, 55301105), (355, 44240884), (398, 39461090), (710, 22120442), (796, 19730545), (995, 15784436), (1420, 11060221), (1990, 7892218), (3980, 3946109), (14129, 1111580), (28258, 555790), (55579, 282580), (56516, 277895), (70645, 222316), (111158, 141290)]