86702680

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2621}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 195391440

約数和(自身を除く): 108688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 2621, 3308, 4135, 5242, 6616, 8270, 10484, 13105, 16540, 20968, 26210, 33080, 52420, 104840, 2167567, 4335134, 8670268, 10837835, 17340536, 21675670, 43351340, 86702680]

約数ペア:

[(1, 86702680), (2, 43351340), (4, 21675670), (5, 17340536), (8, 10837835), (10, 8670268), (20, 4335134), (40, 2167567), (827, 104840), (1654, 52420), (2621, 33080), (3308, 26210), (4135, 20968), (5242, 16540), (6616, 13105), (8270, 10484)]