12971360

素因数分解:

$2^5\times 5^1\times {\mathrm{81071}}^1$

素因数の和:81086

約数の個数: 24

約数和(自身を含む): 30645216

約数和(自身を除く): 17673856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81071, 162142, 324284, 405355, 648568, 810710, 1297136, 1621420, 2594272, 3242840, 6485680, 12971360]

約数ペア:

[(1, 12971360), (2, 6485680), (4, 3242840), (5, 2594272), (8, 1621420), (10, 1297136), (16, 810710), (20, 648568), (32, 405355), (40, 324284), (80, 162142), (160, 81071)]