65679020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3779}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 86730580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 3779, 4345, 7558, 8690, 15116, 17380, 18895, 37790, 41569, 75580, 83138, 166276, 207845, 298541, 415690, 597082, 831380, 1194164, 1492705, 2985410, 3283951, 5970820, 6567902, 13135804, 16419755, 32839510, 65679020]

約数ペア:

[(1, 65679020), (2, 32839510), (4, 16419755), (5, 13135804), (10, 6567902), (11, 5970820), (20, 3283951), (22, 2985410), (44, 1492705), (55, 1194164), (79, 831380), (110, 597082), (158, 415690), (220, 298541), (316, 207845), (395, 166276), (790, 83138), (869, 75580), (1580, 41569), (1738, 37790), (3476, 18895), (3779, 17380), (4345, 15116), (7558, 8690)]