63998380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{23021}}^1$

素因数の和:23169

約数の個数: 24

約数和(自身を含む): 135369360

約数和(自身を除く): 71370980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 23021, 46042, 92084, 115105, 230210, 460420, 3199919, 6399838, 12799676, 15999595, 31999190, 63998380]

約数ペア:

[(1, 63998380), (2, 31999190), (4, 15999595), (5, 12799676), (10, 6399838), (20, 3199919), (139, 460420), (278, 230210), (556, 115105), (695, 92084), (1390, 46042), (2780, 23021)]