64829080

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5851}}^1$

素因数の和:6139

約数の個数: 32

約数和(自身を含む): 146417040

約数和(自身を除く): 81587960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 5851, 11080, 11702, 23404, 29255, 46808, 58510, 117020, 234040, 1620727, 3241454, 6482908, 8103635, 12965816, 16207270, 32414540, 64829080]

約数ペア:

[(1, 64829080), (2, 32414540), (4, 16207270), (5, 12965816), (8, 8103635), (10, 6482908), (20, 3241454), (40, 1620727), (277, 234040), (554, 117020), (1108, 58510), (1385, 46808), (2216, 29255), (2770, 23404), (5540, 11702), (5851, 11080)]