66340760

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11131}}^1$

素因数の和:11291

約数の個数: 32

約数和(自身を含む): 150282000

約数和(自身を除く): 83941240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 11131, 22262, 44524, 55655, 89048, 111310, 222620, 445240, 1658519, 3317038, 6634076, 8292595, 13268152, 16585190, 33170380, 66340760]

約数ペア:

[(1, 66340760), (2, 33170380), (4, 16585190), (5, 13268152), (8, 8292595), (10, 6634076), (20, 3317038), (40, 1658519), (149, 445240), (298, 222620), (596, 111310), (745, 89048), (1192, 55655), (1490, 44524), (2980, 22262), (5960, 11131)]