7788666320

素因数分解:

$2^4\times 5^1\times {\mathrm{97358329}}^1$

素因数の和:97358342

約数の個数: 20

約数和(自身を含む): 18108649380

約数和(自身を除く): 10319983060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97358329, 194716658, 389433316, 486791645, 778866632, 973583290, 1557733264, 1947166580, 3894333160, 7788666320]

約数ペア:

[(1, 7788666320), (2, 3894333160), (4, 1947166580), (5, 1557733264), (8, 973583290), (10, 778866632), (16, 486791645), (20, 389433316), (40, 194716658), (80, 97358329)]