13409020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 29685600

約数和(自身を除く): 16276580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 379, 580, 610, 758, 1220, 1516, 1769, 1895, 3538, 3790, 7076, 7580, 8845, 10991, 17690, 21982, 23119, 35380, 43964, 46238, 54955, 92476, 109910, 115595, 219820, 231190, 462380, 670451, 1340902, 2681804, 3352255, 6704510, 13409020]

約数ペア:

[(1, 13409020), (2, 6704510), (4, 3352255), (5, 2681804), (10, 1340902), (20, 670451), (29, 462380), (58, 231190), (61, 219820), (116, 115595), (122, 109910), (145, 92476), (244, 54955), (290, 46238), (305, 43964), (379, 35380), (580, 23119), (610, 21982), (758, 17690), (1220, 10991), (1516, 8845), (1769, 7580), (1895, 7076), (3538, 3790)]