31474960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 81637632

約数和(自身を除く): 50162672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 761, 880, 940, 1034, 1522, 1880, 2068, 2585, 3044, 3760, 3805, 4136, 5170, 6088, 7610, 8272, 8371, 10340, 12176, 15220, 16742, 20680, 30440, 33484, 35767, 41360, 41855, 60880, 66968, 71534, 83710, 133936, 143068, 167420, 178835, 286136, 334840, 357670, 393437, 572272, 669680, 715340, 786874, 1430680, 1573748, 1967185, 2861360, 3147496, 3934370, 6294992, 7868740, 15737480, 31474960]

約数ペア:

[(1, 31474960), (2, 15737480), (4, 7868740), (5, 6294992), (8, 3934370), (10, 3147496), (11, 2861360), (16, 1967185), (20, 1573748), (22, 1430680), (40, 786874), (44, 715340), (47, 669680), (55, 572272), (80, 393437), (88, 357670), (94, 334840), (110, 286136), (176, 178835), (188, 167420), (220, 143068), (235, 133936), (376, 83710), (440, 71534), (470, 66968), (517, 60880), (752, 41855), (761, 41360), (880, 35767), (940, 33484), (1034, 30440), (1522, 20680), (1880, 16742), (2068, 15220), (2585, 12176), (3044, 10340), (3760, 8371), (3805, 8272), (4136, 7610), (5170, 6088)]