131587280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149531}}^1$

素因数の和:149555

約数の個数: 40

約数和(自身を含む): 333755424

約数和(自身を除く): 202168144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 149531, 299062, 598124, 747655, 1196248, 1495310, 1644841, 2392496, 2990620, 3289682, 5981240, 6579364, 8224205, 11962480, 13158728, 16448410, 26317456, 32896820, 65793640, 131587280]

約数ペア:

[(1, 131587280), (2, 65793640), (4, 32896820), (5, 26317456), (8, 16448410), (10, 13158728), (11, 11962480), (16, 8224205), (20, 6579364), (22, 5981240), (40, 3289682), (44, 2990620), (55, 2392496), (80, 1644841), (88, 1495310), (110, 1196248), (176, 747655), (220, 598124), (440, 299062), (880, 149531)]