129308980

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{9811}}^1$

素因数の和:10479

約数の個数: 24

約数和(自身を含む): 271988640

約数和(自身を除く): 142679660

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 9811, 13180, 19622, 39244, 49055, 98110, 196220, 6465449, 12930898, 25861796, 32327245, 64654490, 129308980]

約数ペア:

[(1, 129308980), (2, 64654490), (4, 32327245), (5, 25861796), (10, 12930898), (20, 6465449), (659, 196220), (1318, 98110), (2636, 49055), (3295, 39244), (6590, 19622), (9811, 13180)]