2019925375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{1847}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 2720285568

約数和(自身を除く): 700360193

約数列:

[1, 5, 13, 25, 65, 125, 325, 673, 1625, 1847, 3365, 8749, 9235, 16825, 24011, 43745, 46175, 84125, 120055, 218725, 230875, 600275, 1093625, 1243031, 3001375, 6215155, 16159403, 31075775, 80797015, 155378875, 403985075, 2019925375]

約数ペア:

[(1, 2019925375), (5, 403985075), (13, 155378875), (25, 80797015), (65, 31075775), (125, 16159403), (325, 6215155), (673, 3001375), (1625, 1243031), (1847, 1093625), (3365, 600275), (8749, 230875), (9235, 218725), (16825, 120055), (24011, 84125), (43745, 46175)]