65401750

素因数分解:

$2^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 123428448

約数和(自身を除く): 58026698

約数列:

[1, 2, 5, 10, 25, 50, 125, 131, 250, 262, 655, 1310, 1997, 3275, 3994, 6550, 9985, 16375, 19970, 32750, 49925, 99850, 249625, 261607, 499250, 523214, 1308035, 2616070, 6540175, 13080350, 32700875, 65401750]

約数ペア:

[(1, 65401750), (2, 32700875), (5, 13080350), (10, 6540175), (25, 2616070), (50, 1308035), (125, 523214), (131, 499250), (250, 261607), (262, 249625), (655, 99850), (1310, 49925), (1997, 32750), (3275, 19970), (3994, 16375), (6550, 9985)]