9997850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4877}}^1$

素因数の和:4930

約数の個数: 24

約数和(自身を含む): 19053468

約数和(自身を除く): 9055618

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 4877, 9754, 24385, 48770, 121925, 199957, 243850, 399914, 999785, 1999570, 4998925, 9997850]

約数ペア:

[(1, 9997850), (2, 4998925), (5, 1999570), (10, 999785), (25, 399914), (41, 243850), (50, 199957), (82, 121925), (205, 48770), (410, 24385), (1025, 9754), (2050, 4877)]