23111720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2591}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 29143000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 2591, 4460, 5182, 8920, 10364, 12955, 20728, 25910, 51820, 103640, 577793, 1155586, 2311172, 2888965, 4622344, 5777930, 11555860, 23111720]

約数ペア:

[(1, 23111720), (2, 11555860), (4, 5777930), (5, 4622344), (8, 2888965), (10, 2311172), (20, 1155586), (40, 577793), (223, 103640), (446, 51820), (892, 25910), (1115, 20728), (1784, 12955), (2230, 10364), (2591, 8920), (4460, 5182)]