66486680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127859}}^1$

素因数の和:127883

約数の個数: 32

約数和(自身を含む): 161103600

約数和(自身を除く): 94616920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127859, 255718, 511436, 639295, 1022872, 1278590, 1662167, 2557180, 3324334, 5114360, 6648668, 8310835, 13297336, 16621670, 33243340, 66486680]

約数ペア:

[(1, 66486680), (2, 33243340), (4, 16621670), (5, 13297336), (8, 8310835), (10, 6648668), (13, 5114360), (20, 3324334), (26, 2557180), (40, 1662167), (52, 1278590), (65, 1022872), (104, 639295), (130, 511436), (260, 255718), (520, 127859)]