1681172180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{816103}}^1$

素因数の和:816215

約数の個数: 24

約数和(自身を含む): 3564742272

約数和(自身を除く): 1883570092

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 816103, 1632206, 3264412, 4080515, 8161030, 16322060, 84058609, 168117218, 336234436, 420293045, 840586090, 1681172180]

約数ペア:

[(1, 1681172180), (2, 840586090), (4, 420293045), (5, 336234436), (10, 168117218), (20, 84058609), (103, 16322060), (206, 8161030), (412, 4080515), (515, 3264412), (1030, 1632206), (2060, 816103)]