85516780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{41513}}^1$

素因数の和:41625

約数の個数: 24

約数和(自身を含む): 181333152

約数和(自身を除く): 95816372

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 41513, 83026, 166052, 207565, 415130, 830260, 4275839, 8551678, 17103356, 21379195, 42758390, 85516780]

約数ペア:

[(1, 85516780), (2, 42758390), (4, 21379195), (5, 17103356), (10, 8551678), (20, 4275839), (103, 830260), (206, 415130), (412, 207565), (515, 166052), (1030, 83026), (2060, 41513)]