31555480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 80157600

約数和(自身を除く): 48602120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2473, 2552, 3190, 4946, 6380, 9892, 12365, 12760, 19784, 24730, 27203, 49460, 54406, 71717, 98920, 108812, 136015, 143434, 217624, 272030, 286868, 358585, 544060, 573736, 717170, 788887, 1088120, 1434340, 1577774, 2868680, 3155548, 3944435, 6311096, 7888870, 15777740, 31555480]

約数ペア:

[(1, 31555480), (2, 15777740), (4, 7888870), (5, 6311096), (8, 3944435), (10, 3155548), (11, 2868680), (20, 1577774), (22, 1434340), (29, 1088120), (40, 788887), (44, 717170), (55, 573736), (58, 544060), (88, 358585), (110, 286868), (116, 272030), (145, 217624), (220, 143434), (232, 136015), (290, 108812), (319, 98920), (440, 71717), (580, 54406), (638, 49460), (1160, 27203), (1276, 24730), (1595, 19784), (2473, 12760), (2552, 12365), (3190, 9892), (4946, 6380)]