12397640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 28357560

約数和(自身を除く): 15959920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5081, 10162, 20324, 25405, 40648, 50810, 101620, 203240, 309941, 619882, 1239764, 1549705, 2479528, 3099410, 6198820, 12397640]

約数ペア:

[(1, 12397640), (2, 6198820), (4, 3099410), (5, 2479528), (8, 1549705), (10, 1239764), (20, 619882), (40, 309941), (61, 203240), (122, 101620), (244, 50810), (305, 40648), (488, 25405), (610, 20324), (1220, 10162), (2440, 5081)]