1961946320

素因数分解:

$2^4\times 5^1\times {\mathrm{24524329}}^1$

素因数の和:24524342

約数の個数: 20

約数和(自身を含む): 4561525380

約数和(自身を除く): 2599579060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24524329, 49048658, 98097316, 122621645, 196194632, 245243290, 392389264, 490486580, 980973160, 1961946320]

約数ペア:

[(1, 1961946320), (2, 980973160), (4, 490486580), (5, 392389264), (8, 245243290), (10, 196194632), (16, 122621645), (20, 98097316), (40, 49048658), (80, 24524329)]