12726740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 29729280

約数和(自身を除く): 17002540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1579, 1612, 2015, 3158, 4030, 6316, 7895, 8060, 15790, 20527, 31580, 41054, 48949, 82108, 97898, 102635, 195796, 205270, 244745, 410540, 489490, 636337, 978980, 1272674, 2545348, 3181685, 6363370, 12726740]

約数ペア:

[(1, 12726740), (2, 6363370), (4, 3181685), (5, 2545348), (10, 1272674), (13, 978980), (20, 636337), (26, 489490), (31, 410540), (52, 244745), (62, 205270), (65, 195796), (124, 102635), (130, 97898), (155, 82108), (260, 48949), (310, 41054), (403, 31580), (620, 20527), (806, 15790), (1579, 8060), (1612, 7895), (2015, 6316), (3158, 4030)]