2251940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 4777080

約数和(自身を除く): 2525140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1033, 1090, 2066, 2180, 4132, 5165, 10330, 20660, 112597, 225194, 450388, 562985, 1125970, 2251940]

約数ペア:

[(1, 2251940), (2, 1125970), (4, 562985), (5, 450388), (10, 225194), (20, 112597), (109, 20660), (218, 10330), (436, 5165), (545, 4132), (1033, 2180), (1090, 2066)]