82931480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20129}}^1$

素因数の和:20243

約数の個数: 32

約数和(自身を含む): 188416800

約数和(自身を除く): 105485320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20129, 40258, 80516, 100645, 161032, 201290, 402580, 805160, 2073287, 4146574, 8293148, 10366435, 16586296, 20732870, 41465740, 82931480]

約数ペア:

[(1, 82931480), (2, 41465740), (4, 20732870), (5, 16586296), (8, 10366435), (10, 8293148), (20, 4146574), (40, 2073287), (103, 805160), (206, 402580), (412, 201290), (515, 161032), (824, 100645), (1030, 80516), (2060, 40258), (4120, 20129)]