16626740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63949}}^1$

素因数の和:63971

約数の個数: 24

約数和(自身を含む): 37602600

約数和(自身を除く): 20975860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63949, 127898, 255796, 319745, 639490, 831337, 1278980, 1662674, 3325348, 4156685, 8313370, 16626740]

約数ペア:

[(1, 16626740), (2, 8313370), (4, 4156685), (5, 3325348), (10, 1662674), (13, 1278980), (20, 831337), (26, 639490), (52, 319745), (65, 255796), (130, 127898), (260, 63949)]