22740040

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1087}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 51310080

約数和(自身を除く): 28570040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1087, 2092, 2174, 2615, 4184, 4348, 5230, 5435, 8696, 10460, 10870, 20920, 21740, 43480, 568501, 1137002, 2274004, 2842505, 4548008, 5685010, 11370020, 22740040]

約数ペア:

[(1, 22740040), (2, 11370020), (4, 5685010), (5, 4548008), (8, 2842505), (10, 2274004), (20, 1137002), (40, 568501), (523, 43480), (1046, 21740), (1087, 20920), (2092, 10870), (2174, 10460), (2615, 8696), (4184, 5435), (4348, 5230)]