91171480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{22129}}^1$

素因数の和:22243

約数の個数: 32

約数和(自身を含む): 207136800

約数和(自身を除く): 115965320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 22129, 44258, 88516, 110645, 177032, 221290, 442580, 885160, 2279287, 4558574, 9117148, 11396435, 18234296, 22792870, 45585740, 91171480]

約数ペア:

[(1, 91171480), (2, 45585740), (4, 22792870), (5, 18234296), (8, 11396435), (10, 9117148), (20, 4558574), (40, 2279287), (103, 885160), (206, 442580), (412, 221290), (515, 177032), (824, 110645), (1030, 88516), (2060, 44258), (4120, 22129)]