12740080

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 29832912

約数和(自身を除く): 17092832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 977, 1304, 1630, 1954, 2608, 3260, 3908, 4885, 6520, 7816, 9770, 13040, 15632, 19540, 39080, 78160, 159251, 318502, 637004, 796255, 1274008, 1592510, 2548016, 3185020, 6370040, 12740080]

約数ペア:

[(1, 12740080), (2, 6370040), (4, 3185020), (5, 2548016), (8, 1592510), (10, 1274008), (16, 796255), (20, 637004), (40, 318502), (80, 159251), (163, 78160), (326, 39080), (652, 19540), (815, 15632), (977, 13040), (1304, 9770), (1630, 7816), (1954, 6520), (2608, 4885), (3260, 3908)]