1019396080

素因数分解:

$2^4\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{4999}}^1$

素因数の和:7561

約数の個数: 40

約数和(自身を含む): 2371500000

約数和(自身を除く): 1352103920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2549, 4999, 5098, 9998, 10196, 12745, 19996, 20392, 24995, 25490, 39992, 40784, 49990, 50980, 79984, 99980, 101960, 199960, 203920, 399920, 12742451, 25484902, 50969804, 63712255, 101939608, 127424510, 203879216, 254849020, 509698040, 1019396080]

約数ペア:

[(1, 1019396080), (2, 509698040), (4, 254849020), (5, 203879216), (8, 127424510), (10, 101939608), (16, 63712255), (20, 50969804), (40, 25484902), (80, 12742451), (2549, 399920), (4999, 203920), (5098, 199960), (9998, 101960), (10196, 99980), (12745, 79984), (19996, 50980), (20392, 49990), (24995, 40784), (25490, 39992)]