25230260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 58629312

約数和(自身を除く): 33399052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1571, 1606, 3142, 3212, 4015, 6284, 7855, 8030, 15710, 16060, 17281, 31420, 34562, 69124, 86405, 114683, 172810, 229366, 345620, 458732, 573415, 1146830, 1261513, 2293660, 2523026, 5046052, 6307565, 12615130, 25230260]

約数ペア:

[(1, 25230260), (2, 12615130), (4, 6307565), (5, 5046052), (10, 2523026), (11, 2293660), (20, 1261513), (22, 1146830), (44, 573415), (55, 458732), (73, 345620), (110, 229366), (146, 172810), (220, 114683), (292, 86405), (365, 69124), (730, 34562), (803, 31420), (1460, 17281), (1571, 16060), (1606, 15710), (3142, 8030), (3212, 7855), (4015, 6284)]