124548880

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1571}}^1$

素因数の和:2575

約数の個数: 40

約数和(自身を含む): 290052864

約数和(自身を除く): 165503984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1571, 1982, 3142, 3964, 4955, 6284, 7855, 7928, 9910, 12568, 15710, 15856, 19820, 25136, 31420, 39640, 62840, 79280, 125680, 1556861, 3113722, 6227444, 7784305, 12454888, 15568610, 24909776, 31137220, 62274440, 124548880]

約数ペア:

[(1, 124548880), (2, 62274440), (4, 31137220), (5, 24909776), (8, 15568610), (10, 12454888), (16, 7784305), (20, 6227444), (40, 3113722), (80, 1556861), (991, 125680), (1571, 79280), (1982, 62840), (3142, 39640), (3964, 31420), (4955, 25136), (6284, 19820), (7855, 15856), (7928, 15710), (9910, 12568)]