89886680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172859}}^1$

素因数の和:172883

約数の個数: 32

約数和(自身を含む): 217803600

約数和(自身を除く): 127916920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172859, 345718, 691436, 864295, 1382872, 1728590, 2247167, 3457180, 4494334, 6914360, 8988668, 11235835, 17977336, 22471670, 44943340, 89886680]

約数ペア:

[(1, 89886680), (2, 44943340), (4, 22471670), (5, 17977336), (8, 11235835), (10, 8988668), (13, 6914360), (20, 4494334), (26, 3457180), (40, 2247167), (52, 1728590), (65, 1382872), (104, 864295), (130, 691436), (260, 345718), (520, 172859)]