38461640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137363}}^1$

素因数の和:137381

約数の個数: 32

約数和(自身を含む): 98902080

約数和(自身を除く): 60440440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 137363, 274726, 549452, 686815, 961541, 1098904, 1373630, 1923082, 2747260, 3846164, 4807705, 5494520, 7692328, 9615410, 19230820, 38461640]

約数ペア:

[(1, 38461640), (2, 19230820), (4, 9615410), (5, 7692328), (7, 5494520), (8, 4807705), (10, 3846164), (14, 2747260), (20, 1923082), (28, 1373630), (35, 1098904), (40, 961541), (56, 686815), (70, 549452), (140, 274726), (280, 137363)]