9780740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8017}}^1$

素因数の和:8087

約数の個数: 24

約数和(自身を含む): 20878872

約数和(自身を除く): 11098132

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 8017, 16034, 32068, 40085, 80170, 160340, 489037, 978074, 1956148, 2445185, 4890370, 9780740]

約数ペア:

[(1, 9780740), (2, 4890370), (4, 2445185), (5, 1956148), (10, 978074), (20, 489037), (61, 160340), (122, 80170), (244, 40085), (305, 32068), (610, 16034), (1220, 8017)]