56756920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128993}}^1$

素因数の和:129015

約数の個数: 32

約数和(自身を含む): 139313520

約数和(自身を除く): 82556600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128993, 257986, 515972, 644965, 1031944, 1289930, 1418923, 2579860, 2837846, 5159720, 5675692, 7094615, 11351384, 14189230, 28378460, 56756920]

約数ペア:

[(1, 56756920), (2, 28378460), (4, 14189230), (5, 11351384), (8, 7094615), (10, 5675692), (11, 5159720), (20, 2837846), (22, 2579860), (40, 1418923), (44, 1289930), (55, 1031944), (88, 644965), (110, 515972), (220, 257986), (440, 128993)]