56899480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 141328800

約数和(自身を除く): 84429320

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, 1453, 1780, 1958, 2906, 3560, 3916, 4895, 5812, 7265, 7832, 9790, 11624, 14530, 15983, 19580, 29060, 31966, 39160, 58120, 63932, 79915, 127864, 129317, 159830, 258634, 319660, 517268, 639320, 646585, 1034536, 1293170, 1422487, 2586340, 2844974, 5172680, 5689948, 7112435, 11379896, 14224870, 28449740, 56899480]

約数ペア:

[(1, 56899480), (2, 28449740), (4, 14224870), (5, 11379896), (8, 7112435), (10, 5689948), (11, 5172680), (20, 2844974), (22, 2586340), (40, 1422487), (44, 1293170), (55, 1034536), (88, 646585), (89, 639320), (110, 517268), (178, 319660), (220, 258634), (356, 159830), (440, 129317), (445, 127864), (712, 79915), (890, 63932), (979, 58120), (1453, 39160), (1780, 31966), (1958, 29060), (2906, 19580), (3560, 15983), (3916, 14530), (4895, 11624), (5812, 9790), (7265, 7832)]