99420680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19571}}^1$

素因数の和:19709

約数の個数: 32

約数和(自身を含む): 225469440

約数和(自身を除く): 126048760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 19571, 39142, 78284, 97855, 156568, 195710, 391420, 782840, 2485517, 4971034, 9942068, 12427585, 19884136, 24855170, 49710340, 99420680]

約数ペア:

[(1, 99420680), (2, 49710340), (4, 24855170), (5, 19884136), (8, 12427585), (10, 9942068), (20, 4971034), (40, 2485517), (127, 782840), (254, 391420), (508, 195710), (635, 156568), (1016, 97855), (1270, 78284), (2540, 39142), (5080, 19571)]