1993625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 16

約数和(自身を含む): 2555280

約数和(自身を除く): 561655

約数列:

[1, 5, 25, 41, 125, 205, 389, 1025, 1945, 5125, 9725, 15949, 48625, 79745, 398725, 1993625]

約数ペア:

[(1, 1993625), (5, 398725), (25, 79745), (41, 48625), (125, 15949), (205, 9725), (389, 5125), (1025, 1945)]