16776875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1616

約数の個数: 20

約数和(自身を含む): 22211640

約数和(自身を除く): 5434765

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 1579, 2125, 7895, 10625, 26843, 39475, 134215, 197375, 671075, 986875, 3355375, 16776875]

約数ペア:

[(1, 16776875), (5, 3355375), (17, 986875), (25, 671075), (85, 197375), (125, 134215), (425, 39475), (625, 26843), (1579, 10625), (2125, 7895)]