19561776320

素因数分解:

$2^6\times 5^1\times {\mathrm{61130551}}^1$

素因数の和:61130568

約数の個数: 28

約数和(自身を含む): 46581480624

約数和(自身を除く): 27019704304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61130551, 122261102, 244522204, 305652755, 489044408, 611305510, 978088816, 1222611020, 1956177632, 2445222040, 3912355264, 4890444080, 9780888160, 19561776320]

約数ペア:

[(1, 19561776320), (2, 9780888160), (4, 4890444080), (5, 3912355264), (8, 2445222040), (10, 1956177632), (16, 1222611020), (20, 978088816), (32, 611305510), (40, 489044408), (64, 305652755), (80, 244522204), (160, 122261102), (320, 61130551)]