17231875

素因数分解:

$5^4\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:448

約数の個数: 20

約数和(自身を含む): 21868000

約数和(自身を除く): 4636125

約数列:

[1, 5, 25, 79, 125, 349, 395, 625, 1745, 1975, 8725, 9875, 27571, 43625, 49375, 137855, 218125, 689275, 3446375, 17231875]

約数ペア:

[(1, 17231875), (5, 3446375), (25, 689275), (79, 218125), (125, 137855), (349, 49375), (395, 43625), (625, 27571), (1745, 9875), (1975, 8725)]