13152040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 32814720

約数和(自身を除く): 19662680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 421, 440, 568, 710, 781, 842, 1420, 1562, 1684, 2105, 2840, 3124, 3368, 3905, 4210, 4631, 6248, 7810, 8420, 9262, 15620, 16840, 18524, 23155, 29891, 31240, 37048, 46310, 59782, 92620, 119564, 149455, 185240, 239128, 298910, 328801, 597820, 657602, 1195640, 1315204, 1644005, 2630408, 3288010, 6576020, 13152040]

約数ペア:

[(1, 13152040), (2, 6576020), (4, 3288010), (5, 2630408), (8, 1644005), (10, 1315204), (11, 1195640), (20, 657602), (22, 597820), (40, 328801), (44, 298910), (55, 239128), (71, 185240), (88, 149455), (110, 119564), (142, 92620), (220, 59782), (284, 46310), (355, 37048), (421, 31240), (440, 29891), (568, 23155), (710, 18524), (781, 16840), (842, 15620), (1420, 9262), (1562, 8420), (1684, 7810), (2105, 6248), (2840, 4631), (3124, 4210), (3368, 3905)]