7131640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 16180560

約数和(自身を除く): 9048920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1361, 2620, 2722, 5240, 5444, 6805, 10888, 13610, 27220, 54440, 178291, 356582, 713164, 891455, 1426328, 1782910, 3565820, 7131640]

約数ペア:

[(1, 7131640), (2, 3565820), (4, 1782910), (5, 1426328), (8, 891455), (10, 713164), (20, 356582), (40, 178291), (131, 54440), (262, 27220), (524, 13610), (655, 10888), (1048, 6805), (1310, 5444), (1361, 5240), (2620, 2722)]