22897720

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2713}}^1$

素因数の和:2935

約数の個数: 32

約数和(自身を含む): 51783120

約数和(自身を除く): 28885400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2713, 4220, 5426, 8440, 10852, 13565, 21704, 27130, 54260, 108520, 572443, 1144886, 2289772, 2862215, 4579544, 5724430, 11448860, 22897720]

約数ペア:

[(1, 22897720), (2, 11448860), (4, 5724430), (5, 4579544), (8, 2862215), (10, 2289772), (20, 1144886), (40, 572443), (211, 108520), (422, 54260), (844, 27130), (1055, 21704), (1688, 13565), (2110, 10852), (2713, 8440), (4220, 5426)]