23231440

素因数分解:

$2^4\times 5^1\times {\mathrm{290393}}^1$

素因数の和:290406

約数の個数: 20

約数和(自身を含む): 54013284

約数和(自身を除く): 30781844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290393, 580786, 1161572, 1451965, 2323144, 2903930, 4646288, 5807860, 11615720, 23231440]

約数ペア:

[(1, 23231440), (2, 11615720), (4, 5807860), (5, 4646288), (8, 2903930), (10, 2323144), (16, 1451965), (20, 1161572), (40, 580786), (80, 290393)]