85412680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40289}}^1$

素因数の和:40353

約数の個数: 32

約数和(自身を含む): 195809400

約数和(自身を除く): 110396720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 40289, 80578, 161156, 201445, 322312, 402890, 805780, 1611560, 2135317, 4270634, 8541268, 10676585, 17082536, 21353170, 42706340, 85412680]

約数ペア:

[(1, 85412680), (2, 42706340), (4, 21353170), (5, 17082536), (8, 10676585), (10, 8541268), (20, 4270634), (40, 2135317), (53, 1611560), (106, 805780), (212, 402890), (265, 322312), (424, 201445), (530, 161156), (1060, 80578), (2120, 40289)]