4445540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 10329984

約数和(自身を除く): 5884444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 167, 220, 242, 334, 484, 605, 668, 835, 1210, 1331, 1670, 1837, 2420, 2662, 3340, 3674, 5324, 6655, 7348, 9185, 13310, 18370, 20207, 26620, 36740, 40414, 80828, 101035, 202070, 222277, 404140, 444554, 889108, 1111385, 2222770, 4445540]

約数ペア:

[(1, 4445540), (2, 2222770), (4, 1111385), (5, 889108), (10, 444554), (11, 404140), (20, 222277), (22, 202070), (44, 101035), (55, 80828), (110, 40414), (121, 36740), (167, 26620), (220, 20207), (242, 18370), (334, 13310), (484, 9185), (605, 7348), (668, 6655), (835, 5324), (1210, 3674), (1331, 3340), (1670, 2662), (1837, 2420)]