56077780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{254899}}^1$

素因数の和:254919

約数の個数: 24

約数和(自身を含む): 128469600

約数和(自身を除く): 72391820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 254899, 509798, 1019596, 1274495, 2548990, 2803889, 5097980, 5607778, 11215556, 14019445, 28038890, 56077780]

約数ペア:

[(1, 56077780), (2, 28038890), (4, 14019445), (5, 11215556), (10, 5607778), (11, 5097980), (20, 2803889), (22, 2548990), (44, 1274495), (55, 1019596), (110, 509798), (220, 254899)]