80778875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{28097}}^1$

素因数の和:28135

約数の個数: 16

約数和(自身を含む): 105198912

約数和(自身を除く): 24420037

約数列:

[1, 5, 23, 25, 115, 125, 575, 2875, 28097, 140485, 646231, 702425, 3231155, 3512125, 16155775, 80778875]

約数ペア:

[(1, 80778875), (5, 16155775), (23, 3512125), (25, 3231155), (115, 702425), (125, 646231), (575, 140485), (2875, 28097)]