56215720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127763}}^1$

素因数の和:127785

約数の個数: 32

約数和(自身を含む): 137985120

約数和(自身を除く): 81769400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 127763, 255526, 511052, 638815, 1022104, 1277630, 1405393, 2555260, 2810786, 5110520, 5621572, 7026965, 11243144, 14053930, 28107860, 56215720]

約数ペア:

[(1, 56215720), (2, 28107860), (4, 14053930), (5, 11243144), (8, 7026965), (10, 5621572), (11, 5110520), (20, 2810786), (22, 2555260), (40, 1405393), (44, 1277630), (55, 1022104), (88, 638815), (110, 511052), (220, 255526), (440, 127763)]