8644220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33247}}^1$

素因数の和:33269

約数の個数: 24

約数和(自身を含む): 19549824

約数和(自身を除く): 10905604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33247, 66494, 132988, 166235, 332470, 432211, 664940, 864422, 1728844, 2161055, 4322110, 8644220]

約数ペア:

[(1, 8644220), (2, 4322110), (4, 2161055), (5, 1728844), (10, 864422), (13, 664940), (20, 432211), (26, 332470), (52, 166235), (65, 132988), (130, 66494), (260, 33247)]