2019021875

素因数分解:

$5^5\times {\mathrm{13}}^2\times {\mathrm{3823}}^1$

素因数の和:3874

約数の個数: 36

約数和(自身を含む): 2733387552

約数和(自身を除く): 714365677

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 625, 845, 1625, 3125, 3823, 4225, 8125, 19115, 21125, 40625, 49699, 95575, 105625, 248495, 477875, 528125, 646087, 1242475, 2389375, 3230435, 6212375, 11946875, 16152175, 31061875, 80760875, 155309375, 403804375, 2019021875]

約数ペア:

[(1, 2019021875), (5, 403804375), (13, 155309375), (25, 80760875), (65, 31061875), (125, 16152175), (169, 11946875), (325, 6212375), (625, 3230435), (845, 2389375), (1625, 1242475), (3125, 646087), (3823, 528125), (4225, 477875), (8125, 248495), (19115, 105625), (21125, 95575), (40625, 49699)]