65138740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48611}}^1$

素因数の和:48687

約数の個数: 24

約数和(自身を含む): 138835872

約数和(自身を除く): 73697132

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48611, 97222, 194444, 243055, 486110, 972220, 3256937, 6513874, 13027748, 16284685, 32569370, 65138740]

約数ペア:

[(1, 65138740), (2, 32569370), (4, 16284685), (5, 13027748), (10, 6513874), (20, 3256937), (67, 972220), (134, 486110), (268, 243055), (335, 194444), (670, 97222), (1340, 48611)]