9806680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18859}}^1$

素因数の和:18883

約数の個数: 32

約数和(自身を含む): 23763600

約数和(自身を除く): 13956920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18859, 37718, 75436, 94295, 150872, 188590, 245167, 377180, 490334, 754360, 980668, 1225835, 1961336, 2451670, 4903340, 9806680]

約数ペア:

[(1, 9806680), (2, 4903340), (4, 2451670), (5, 1961336), (8, 1225835), (10, 980668), (13, 754360), (20, 490334), (26, 377180), (40, 245167), (52, 188590), (65, 150872), (104, 94295), (130, 75436), (260, 37718), (520, 18859)]