18079100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13907}}^1$

素因数の和:13934

約数の個数: 36

約数和(自身を含む): 42252504

約数和(自身を除く): 24173404

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13907, 27814, 55628, 69535, 139070, 180791, 278140, 347675, 361582, 695350, 723164, 903955, 1390700, 1807910, 3615820, 4519775, 9039550, 18079100]

約数ペア:

[(1, 18079100), (2, 9039550), (4, 4519775), (5, 3615820), (10, 1807910), (13, 1390700), (20, 903955), (25, 723164), (26, 695350), (50, 361582), (52, 347675), (65, 278140), (100, 180791), (130, 139070), (260, 69535), (325, 55628), (650, 27814), (1300, 13907)]