81788270

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{72379}}^1$

素因数の和:72499

約数の個数: 16

約数和(自身を含む): 148523760

約数和(自身を除く): 66735490

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 72379, 144758, 361895, 723790, 8178827, 16357654, 40894135, 81788270]

約数ペア:

[(1, 81788270), (2, 40894135), (5, 16357654), (10, 8178827), (113, 723790), (226, 361895), (565, 144758), (1130, 72379)]