6458680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2647}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 14775840

約数和(自身を除く): 8317160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2647, 5294, 10588, 13235, 21176, 26470, 52940, 105880, 161467, 322934, 645868, 807335, 1291736, 1614670, 3229340, 6458680]

約数ペア:

[(1, 6458680), (2, 3229340), (4, 1614670), (5, 1291736), (8, 807335), (10, 645868), (20, 322934), (40, 161467), (61, 105880), (122, 52940), (244, 26470), (305, 21176), (488, 13235), (610, 10588), (1220, 5294), (2440, 2647)]