12931480

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 29206800

約数和(自身を除く): 16275320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 853, 1516, 1706, 1895, 3032, 3412, 3790, 4265, 6824, 7580, 8530, 15160, 17060, 34120, 323287, 646574, 1293148, 1616435, 2586296, 3232870, 6465740, 12931480]

約数ペア:

[(1, 12931480), (2, 6465740), (4, 3232870), (5, 2586296), (8, 1616435), (10, 1293148), (20, 646574), (40, 323287), (379, 34120), (758, 17060), (853, 15160), (1516, 8530), (1706, 7580), (1895, 6824), (3032, 4265), (3412, 3790)]