248663180

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{9721}}^1$

素因数の和:11009

約数の個数: 24

約数和(自身を含む): 522654720

約数和(自身を除く): 273991540

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 9721, 12790, 19442, 25580, 38884, 48605, 97210, 194420, 12433159, 24866318, 49732636, 62165795, 124331590, 248663180]

約数ペア:

[(1, 248663180), (2, 124331590), (4, 62165795), (5, 49732636), (10, 24866318), (20, 12433159), (1279, 194420), (2558, 97210), (5116, 48605), (6395, 38884), (9721, 25580), (12790, 19442)]