8522020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 19580400

約数和(自身を除く): 11058380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 449, 730, 898, 949, 1460, 1796, 1898, 2245, 3796, 4490, 4745, 5837, 8980, 9490, 11674, 18980, 23348, 29185, 32777, 58370, 65554, 116740, 131108, 163885, 327770, 426101, 655540, 852202, 1704404, 2130505, 4261010, 8522020]

約数ペア:

[(1, 8522020), (2, 4261010), (4, 2130505), (5, 1704404), (10, 852202), (13, 655540), (20, 426101), (26, 327770), (52, 163885), (65, 131108), (73, 116740), (130, 65554), (146, 58370), (260, 32777), (292, 29185), (365, 23348), (449, 18980), (730, 11674), (898, 9490), (949, 8980), (1460, 5837), (1796, 4745), (1898, 4490), (2245, 3796)]