61043240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10979}}^1$

素因数の和:11129

約数の個数: 32

約数和(自身を含む): 138348000

約数和(自身を除く): 77304760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 10979, 21958, 43916, 54895, 87832, 109790, 219580, 439160, 1526081, 3052162, 6104324, 7630405, 12208648, 15260810, 30521620, 61043240]

約数ペア:

[(1, 61043240), (2, 30521620), (4, 15260810), (5, 12208648), (8, 7630405), (10, 6104324), (20, 3052162), (40, 1526081), (139, 439160), (278, 219580), (556, 109790), (695, 87832), (1112, 54895), (1390, 43916), (2780, 21958), (5560, 10979)]