13153640

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{659}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 29700000

約数和(自身を除く): 16546360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 659, 998, 1318, 1996, 2495, 2636, 3295, 3992, 4990, 5272, 6590, 9980, 13180, 19960, 26360, 328841, 657682, 1315364, 1644205, 2630728, 3288410, 6576820, 13153640]

約数ペア:

[(1, 13153640), (2, 6576820), (4, 3288410), (5, 2630728), (8, 1644205), (10, 1315364), (20, 657682), (40, 328841), (499, 26360), (659, 19960), (998, 13180), (1318, 9980), (1996, 6590), (2495, 5272), (2636, 4990), (3295, 3992)]