13338520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 32749920

約数和(自身を除く): 19411400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 227, 260, 452, 454, 520, 565, 904, 908, 1130, 1135, 1469, 1816, 2260, 2270, 2938, 2951, 4520, 4540, 5876, 5902, 7345, 9080, 11752, 11804, 14690, 14755, 23608, 25651, 29380, 29510, 51302, 58760, 59020, 102604, 118040, 128255, 205208, 256510, 333463, 513020, 666926, 1026040, 1333852, 1667315, 2667704, 3334630, 6669260, 13338520]

約数ペア:

[(1, 13338520), (2, 6669260), (4, 3334630), (5, 2667704), (8, 1667315), (10, 1333852), (13, 1026040), (20, 666926), (26, 513020), (40, 333463), (52, 256510), (65, 205208), (104, 128255), (113, 118040), (130, 102604), (226, 59020), (227, 58760), (260, 51302), (452, 29510), (454, 29380), (520, 25651), (565, 23608), (904, 14755), (908, 14690), (1130, 11804), (1135, 11752), (1469, 9080), (1816, 7345), (2260, 5902), (2270, 5876), (2938, 4540), (2951, 4520)]