80975375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{49831}}^1$

素因数の和:49859

約数の個数: 16

約数和(自身を含む): 108833088

約数和(自身を除く): 27857713

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 49831, 249155, 647803, 1245775, 3239015, 6228875, 16195075, 80975375]

約数ペア:

[(1, 80975375), (5, 16195075), (13, 6228875), (25, 3239015), (65, 1245775), (125, 647803), (325, 249155), (1625, 49831)]