81880390

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{28933}}^1$

素因数の和:29223

約数の個数: 16

約数和(自身を含む): 147910608

約数和(自身を除く): 66030218

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 28933, 57866, 144665, 289330, 8188039, 16376078, 40940195, 81880390]

約数ペア:

[(1, 81880390), (2, 40940195), (5, 16376078), (10, 8188039), (283, 289330), (566, 144665), (1415, 57866), (2830, 28933)]