28230620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128321}}^1$

素因数の和:128341

約数の個数: 24

約数和(自身を含む): 64674288

約数和(自身を除く): 36443668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128321, 256642, 513284, 641605, 1283210, 1411531, 2566420, 2823062, 5646124, 7057655, 14115310, 28230620]

約数ペア:

[(1, 28230620), (2, 14115310), (4, 7057655), (5, 5646124), (10, 2823062), (11, 2566420), (20, 1411531), (22, 1283210), (44, 641605), (55, 513284), (110, 256642), (220, 128321)]