55379020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 120960000

約数和(自身を除く): 65580980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 499, 620, 716, 895, 998, 1790, 1996, 2495, 3580, 4990, 5549, 9980, 11098, 15469, 22196, 27745, 30938, 55490, 61876, 77345, 89321, 110980, 154690, 178642, 309380, 357284, 446605, 893210, 1786420, 2768951, 5537902, 11075804, 13844755, 27689510, 55379020]

約数ペア:

[(1, 55379020), (2, 27689510), (4, 13844755), (5, 11075804), (10, 5537902), (20, 2768951), (31, 1786420), (62, 893210), (124, 446605), (155, 357284), (179, 309380), (310, 178642), (358, 154690), (499, 110980), (620, 89321), (716, 77345), (895, 61876), (998, 55490), (1790, 30938), (1996, 27745), (2495, 22196), (3580, 15469), (4990, 11098), (5549, 9980)]