56528120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128473}}^1$

素因数の和:128495

約数の個数: 32

約数和(自身を含む): 138751920

約数和(自身を除く): 82223800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128473, 256946, 513892, 642365, 1027784, 1284730, 1413203, 2569460, 2826406, 5138920, 5652812, 7066015, 11305624, 14132030, 28264060, 56528120]

約数ペア:

[(1, 56528120), (2, 28264060), (4, 14132030), (5, 11305624), (8, 7066015), (10, 5652812), (11, 5138920), (20, 2826406), (22, 2569460), (40, 1413203), (44, 1284730), (55, 1027784), (88, 642365), (110, 513892), (220, 256946), (440, 128473)]