133111840

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10531}}^1$

素因数の和:10625

約数の個数: 48

約数和(自身を含む): 318487680

約数和(自身を除く): 185375840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 10531, 12640, 21062, 42124, 52655, 84248, 105310, 168496, 210620, 336992, 421240, 831949, 842480, 1663898, 1684960, 3327796, 4159745, 6655592, 8319490, 13311184, 16638980, 26622368, 33277960, 66555920, 133111840]

約数ペア:

[(1, 133111840), (2, 66555920), (4, 33277960), (5, 26622368), (8, 16638980), (10, 13311184), (16, 8319490), (20, 6655592), (32, 4159745), (40, 3327796), (79, 1684960), (80, 1663898), (158, 842480), (160, 831949), (316, 421240), (395, 336992), (632, 210620), (790, 168496), (1264, 105310), (1580, 84248), (2528, 52655), (3160, 42124), (6320, 21062), (10531, 12640)]