67620760

素因数分解:

$2^3\times 5^1\times {\mathrm{1690519}}^1$

素因数の和:1690530

約数の個数: 16

約数和(自身を含む): 152146800

約数和(自身を除く): 84526040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1690519, 3381038, 6762076, 8452595, 13524152, 16905190, 33810380, 67620760]

約数ペア:

[(1, 67620760), (2, 33810380), (4, 16905190), (5, 13524152), (8, 8452595), (10, 6762076), (20, 3381038), (40, 1690519)]