39780775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 52563600

約数和(自身を除く): 12782825

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 941, 1691, 2225, 4705, 8455, 17879, 23525, 42275, 83749, 89395, 418745, 446975, 1591231, 2093725, 7956155, 39780775]

約数ペア:

[(1, 39780775), (5, 7956155), (19, 2093725), (25, 1591231), (89, 446975), (95, 418745), (445, 89395), (475, 83749), (941, 42275), (1691, 23525), (2225, 17879), (4705, 8455)]