56549240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128521}}^1$

素因数の和:128543

約数の個数: 32

約数和(自身を含む): 138803760

約数和(自身を除く): 82254520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128521, 257042, 514084, 642605, 1028168, 1285210, 1413731, 2570420, 2827462, 5140840, 5654924, 7068655, 11309848, 14137310, 28274620, 56549240]

約数ペア:

[(1, 56549240), (2, 28274620), (4, 14137310), (5, 11309848), (8, 7068655), (10, 5654924), (11, 5140840), (20, 2827462), (22, 2570420), (40, 1413731), (44, 1285210), (55, 1028168), (88, 642605), (110, 514084), (220, 257042), (440, 128521)]