13291900

素因数分解:

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

素因数の和:2254

約数の個数: 36

約数和(自身を含む): 29329720

約数和(自身を除く): 16037820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2179, 3050, 4358, 6100, 8716, 10895, 21790, 43580, 54475, 108950, 132919, 217900, 265838, 531676, 664595, 1329190, 2658380, 3322975, 6645950, 13291900]

約数ペア:

[(1, 13291900), (2, 6645950), (4, 3322975), (5, 2658380), (10, 1329190), (20, 664595), (25, 531676), (50, 265838), (61, 217900), (100, 132919), (122, 108950), (244, 54475), (305, 43580), (610, 21790), (1220, 10895), (1525, 8716), (2179, 6100), (3050, 4358)]