4025240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 9154080

約数和(自身を除く): 5128840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 977, 1030, 1954, 2060, 3908, 4120, 4885, 7816, 9770, 19540, 39080, 100631, 201262, 402524, 503155, 805048, 1006310, 2012620, 4025240]

約数ペア:

[(1, 4025240), (2, 2012620), (4, 1006310), (5, 805048), (8, 503155), (10, 402524), (20, 201262), (40, 100631), (103, 39080), (206, 19540), (412, 9770), (515, 7816), (824, 4885), (977, 4120), (1030, 3908), (1954, 2060)]