51025480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 126748800

約数和(自身を除く): 75723320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1303, 1780, 1958, 2606, 3560, 3916, 4895, 5212, 6515, 7832, 9790, 10424, 13030, 14333, 19580, 26060, 28666, 39160, 52120, 57332, 71665, 114664, 115967, 143330, 231934, 286660, 463868, 573320, 579835, 927736, 1159670, 1275637, 2319340, 2551274, 4638680, 5102548, 6378185, 10205096, 12756370, 25512740, 51025480]

約数ペア:

[(1, 51025480), (2, 25512740), (4, 12756370), (5, 10205096), (8, 6378185), (10, 5102548), (11, 4638680), (20, 2551274), (22, 2319340), (40, 1275637), (44, 1159670), (55, 927736), (88, 579835), (89, 573320), (110, 463868), (178, 286660), (220, 231934), (356, 143330), (440, 115967), (445, 114664), (712, 71665), (890, 57332), (979, 52120), (1303, 39160), (1780, 28666), (1958, 26060), (2606, 19580), (3560, 14333), (3916, 13030), (4895, 10424), (5212, 9790), (6515, 7832)]