26304820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 31131020

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 419, 430, 730, 838, 860, 1460, 1676, 2095, 3139, 4190, 6278, 8380, 12556, 15695, 18017, 30587, 31390, 36034, 61174, 62780, 72068, 90085, 122348, 152935, 180170, 305870, 360340, 611740, 1315241, 2630482, 5260964, 6576205, 13152410, 26304820]

約数ペア:

[(1, 26304820), (2, 13152410), (4, 6576205), (5, 5260964), (10, 2630482), (20, 1315241), (43, 611740), (73, 360340), (86, 305870), (146, 180170), (172, 152935), (215, 122348), (292, 90085), (365, 72068), (419, 62780), (430, 61174), (730, 36034), (838, 31390), (860, 30587), (1460, 18017), (1676, 15695), (2095, 12556), (3139, 8380), (4190, 6278)]