8520520

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{769}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 19265400

約数和(自身を除く): 10744880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 769, 1108, 1385, 1538, 2216, 2770, 3076, 3845, 5540, 6152, 7690, 11080, 15380, 30760, 213013, 426026, 852052, 1065065, 1704104, 2130130, 4260260, 8520520]

約数ペア:

[(1, 8520520), (2, 4260260), (4, 2130130), (5, 1704104), (8, 1065065), (10, 852052), (20, 426026), (40, 213013), (277, 30760), (554, 15380), (769, 11080), (1108, 7690), (1385, 6152), (1538, 5540), (2216, 3845), (2770, 3076)]