2019251875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3011}}^1$

素因数の和:3097

約数の個数: 40

約数和(自身を含む): 2681704080

約数和(自身を除く): 662452205

約数列:

[1, 5, 25, 29, 37, 125, 145, 185, 625, 725, 925, 1073, 3011, 3625, 4625, 5365, 15055, 18125, 23125, 26825, 75275, 87319, 111407, 134125, 376375, 436595, 557035, 670625, 1881875, 2182975, 2785175, 3230803, 10914875, 13925875, 16154015, 54574375, 69629375, 80770075, 403850375, 2019251875]

約数ペア:

[(1, 2019251875), (5, 403850375), (25, 80770075), (29, 69629375), (37, 54574375), (125, 16154015), (145, 13925875), (185, 10914875), (625, 3230803), (725, 2785175), (925, 2182975), (1073, 1881875), (3011, 670625), (3625, 557035), (4625, 436595), (5365, 376375), (15055, 134125), (18125, 111407), (23125, 87319), (26825, 75275)]