55344680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 128226240

約数和(自身を除く): 72881560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 193, 214, 268, 335, 386, 428, 535, 536, 670, 772, 856, 965, 1070, 1340, 1544, 1930, 2140, 2680, 3860, 4280, 7169, 7720, 12931, 14338, 20651, 25862, 28676, 35845, 41302, 51724, 57352, 64655, 71690, 82604, 103255, 103448, 129310, 143380, 165208, 206510, 258620, 286760, 413020, 517240, 826040, 1383617, 2767234, 5534468, 6918085, 11068936, 13836170, 27672340, 55344680]

約数ペア:

[(1, 55344680), (2, 27672340), (4, 13836170), (5, 11068936), (8, 6918085), (10, 5534468), (20, 2767234), (40, 1383617), (67, 826040), (107, 517240), (134, 413020), (193, 286760), (214, 258620), (268, 206510), (335, 165208), (386, 143380), (428, 129310), (535, 103448), (536, 103255), (670, 82604), (772, 71690), (856, 64655), (965, 57352), (1070, 51724), (1340, 41302), (1544, 35845), (1930, 28676), (2140, 25862), (2680, 20651), (3860, 14338), (4280, 12931), (7169, 7720)]