56667940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5701}}^1$

素因数の和:5788

約数の個数: 48

約数和(自身を含む): 137942784

約数和(自身を除く): 81274844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5701, 9940, 11402, 22804, 28505, 39907, 57010, 79814, 114020, 159628, 199535, 399070, 404771, 798140, 809542, 1619084, 2023855, 2833397, 4047710, 5666794, 8095420, 11333588, 14166985, 28333970, 56667940]

約数ペア:

[(1, 56667940), (2, 28333970), (4, 14166985), (5, 11333588), (7, 8095420), (10, 5666794), (14, 4047710), (20, 2833397), (28, 2023855), (35, 1619084), (70, 809542), (71, 798140), (140, 404771), (142, 399070), (284, 199535), (355, 159628), (497, 114020), (710, 79814), (994, 57010), (1420, 39907), (1988, 28505), (2485, 22804), (4970, 11402), (5701, 9940)]