2608540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 6096384

約数和(自身を除く): 3487844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 167, 220, 284, 334, 355, 668, 710, 781, 835, 1420, 1562, 1670, 1837, 3124, 3340, 3674, 3905, 7348, 7810, 9185, 11857, 15620, 18370, 23714, 36740, 47428, 59285, 118570, 130427, 237140, 260854, 521708, 652135, 1304270, 2608540]

約数ペア:

[(1, 2608540), (2, 1304270), (4, 652135), (5, 521708), (10, 260854), (11, 237140), (20, 130427), (22, 118570), (44, 59285), (55, 47428), (71, 36740), (110, 23714), (142, 18370), (167, 15620), (220, 11857), (284, 9185), (334, 7810), (355, 7348), (668, 3905), (710, 3674), (781, 3340), (835, 3124), (1420, 1837), (1562, 1670)]