2658380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 5676720

約数和(自身を除く): 3018340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2179, 4358, 8716, 10895, 21790, 43580, 132919, 265838, 531676, 664595, 1329190, 2658380]

約数ペア:

[(1, 2658380), (2, 1329190), (4, 664595), (5, 531676), (10, 265838), (20, 132919), (61, 43580), (122, 21790), (244, 10895), (305, 8716), (610, 4358), (1220, 2179)]