71166680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136859}}^1$

素因数の和:136883

約数の個数: 32

約数和(自身を含む): 172443600

約数和(自身を除く): 101276920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 136859, 273718, 547436, 684295, 1094872, 1368590, 1779167, 2737180, 3558334, 5474360, 7116668, 8895835, 14233336, 17791670, 35583340, 71166680]

約数ペア:

[(1, 71166680), (2, 35583340), (4, 17791670), (5, 14233336), (8, 8895835), (10, 7116668), (13, 5474360), (20, 3558334), (26, 2737180), (40, 1779167), (52, 1368590), (65, 1094872), (104, 684295), (130, 547436), (260, 273718), (520, 136859)]