2019929875

素因数分解:

$5^3\times {\mathrm{3989}}^1\times {\mathrm{4051}}^1$

素因数の和:8055

約数の個数: 16

約数和(自身を含む): 2522126880

約数和(自身を除く): 502197005

約数列:

[1, 5, 25, 125, 3989, 4051, 19945, 20255, 99725, 101275, 498625, 506375, 16159439, 80797195, 403985975, 2019929875]

約数ペア:

[(1, 2019929875), (5, 403985975), (25, 80797195), (125, 16159439), (3989, 506375), (4051, 498625), (19945, 101275), (20255, 99725)]