31661080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 79418880

約数和(自身を除く): 47757800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1531, 1880, 2068, 2585, 3062, 4136, 5170, 6124, 7655, 10340, 12248, 15310, 16841, 20680, 30620, 33682, 61240, 67364, 71957, 84205, 134728, 143914, 168410, 287828, 336820, 359785, 575656, 673640, 719570, 791527, 1439140, 1583054, 2878280, 3166108, 3957635, 6332216, 7915270, 15830540, 31661080]

約数ペア:

[(1, 31661080), (2, 15830540), (4, 7915270), (5, 6332216), (8, 3957635), (10, 3166108), (11, 2878280), (20, 1583054), (22, 1439140), (40, 791527), (44, 719570), (47, 673640), (55, 575656), (88, 359785), (94, 336820), (110, 287828), (188, 168410), (220, 143914), (235, 134728), (376, 84205), (440, 71957), (470, 67364), (517, 61240), (940, 33682), (1034, 30620), (1531, 20680), (1880, 16841), (2068, 15310), (2585, 12248), (3062, 10340), (4136, 7655), (5170, 6124)]