3639925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 4860800

約数和(自身を除く): 1220875

約数列:

[1, 5, 19, 25, 79, 95, 97, 395, 475, 485, 1501, 1843, 1975, 2425, 7505, 7663, 9215, 37525, 38315, 46075, 145597, 191575, 727985, 3639925]

約数ペア:

[(1, 3639925), (5, 727985), (19, 191575), (25, 145597), (79, 46075), (95, 38315), (97, 37525), (395, 9215), (475, 7663), (485, 7505), (1501, 2425), (1843, 1975)]