56461240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128321}}^1$

素因数の和:128343

約数の個数: 32

約数和(自身を含む): 138587760

約数和(自身を除く): 82126520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128321, 256642, 513284, 641605, 1026568, 1283210, 1411531, 2566420, 2823062, 5132840, 5646124, 7057655, 11292248, 14115310, 28230620, 56461240]

約数ペア:

[(1, 56461240), (2, 28230620), (4, 14115310), (5, 11292248), (8, 7057655), (10, 5646124), (11, 5132840), (20, 2823062), (22, 2566420), (40, 1411531), (44, 1283210), (55, 1026568), (88, 641605), (110, 513284), (220, 256642), (440, 128321)]