27218980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9791}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 57576960

約数和(自身を除く): 30357980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9791, 19582, 39164, 48955, 97910, 195820, 1360949, 2721898, 5443796, 6804745, 13609490, 27218980]

約数ペア:

[(1, 27218980), (2, 13609490), (4, 6804745), (5, 5443796), (10, 2721898), (20, 1360949), (139, 195820), (278, 97910), (556, 48955), (695, 39164), (1390, 19582), (2780, 9791)]