13985960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11279}}^1$

素因数の和:11321

約数の個数: 32

約数和(自身を含む): 32486400

約数和(自身を除く): 18500440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 11279, 22558, 45116, 56395, 90232, 112790, 225580, 349649, 451160, 699298, 1398596, 1748245, 2797192, 3496490, 6992980, 13985960]

約数ペア:

[(1, 13985960), (2, 6992980), (4, 3496490), (5, 2797192), (8, 1748245), (10, 1398596), (20, 699298), (31, 451160), (40, 349649), (62, 225580), (124, 112790), (155, 90232), (248, 56395), (310, 45116), (620, 22558), (1240, 11279)]