82838780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{40213}}^1$

素因数の和:40325

約数の個数: 24

約数和(自身を含む): 175654752

約数和(自身を除く): 92815972

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 40213, 80426, 160852, 201065, 402130, 804260, 4141939, 8283878, 16567756, 20709695, 41419390, 82838780]

約数ペア:

[(1, 82838780), (2, 41419390), (4, 20709695), (5, 16567756), (10, 8283878), (20, 4141939), (103, 804260), (206, 402130), (412, 201065), (515, 160852), (1030, 80426), (2060, 40213)]