28801480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23227}}^1$

素因数の和:23269

約数の個数: 32

約数和(自身を含む): 66896640

約数和(自身を除く): 38095160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23227, 46454, 92908, 116135, 185816, 232270, 464540, 720037, 929080, 1440074, 2880148, 3600185, 5760296, 7200370, 14400740, 28801480]

約数ペア:

[(1, 28801480), (2, 14400740), (4, 7200370), (5, 5760296), (8, 3600185), (10, 2880148), (20, 1440074), (31, 929080), (40, 720037), (62, 464540), (124, 232270), (155, 185816), (248, 116135), (310, 92908), (620, 46454), (1240, 23227)]