2021000875

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 2562580800

約数和(自身を除く): 541579925

約数列:

[1, 5, 25, 89, 125, 389, 445, 467, 1945, 2225, 2335, 9725, 11125, 11675, 34621, 41563, 48625, 58375, 173105, 181663, 207815, 865525, 908315, 1039075, 4327625, 4541575, 5195375, 16168007, 22707875, 80840035, 404200175, 2021000875]

約数ペア:

[(1, 2021000875), (5, 404200175), (25, 80840035), (89, 22707875), (125, 16168007), (389, 5195375), (445, 4541575), (467, 4327625), (1945, 1039075), (2225, 908315), (2335, 865525), (9725, 207815), (11125, 181663), (11675, 173105), (34621, 58375), (41563, 48625)]