22791280

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 53193024

約数和(自身を除く): 30401744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 661, 862, 1322, 1724, 2155, 2644, 3305, 3448, 4310, 5288, 6610, 6896, 8620, 10576, 13220, 17240, 26440, 34480, 52880, 284891, 569782, 1139564, 1424455, 2279128, 2848910, 4558256, 5697820, 11395640, 22791280]

約数ペア:

[(1, 22791280), (2, 11395640), (4, 5697820), (5, 4558256), (8, 2848910), (10, 2279128), (16, 1424455), (20, 1139564), (40, 569782), (80, 284891), (431, 52880), (661, 34480), (862, 26440), (1322, 17240), (1724, 13220), (2155, 10576), (2644, 8620), (3305, 6896), (3448, 6610), (4310, 5288)]