86888680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5417}}^1$

素因数の和:5829

約数の個数: 32

約数和(自身を含む): 196023240

約数和(自身を除く): 109134560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 5417, 8020, 10834, 16040, 21668, 27085, 43336, 54170, 108340, 216680, 2172217, 4344434, 8688868, 10861085, 17377736, 21722170, 43444340, 86888680]

約数ペア:

[(1, 86888680), (2, 43444340), (4, 21722170), (5, 17377736), (8, 10861085), (10, 8688868), (20, 4344434), (40, 2172217), (401, 216680), (802, 108340), (1604, 54170), (2005, 43336), (3208, 27085), (4010, 21668), (5417, 16040), (8020, 10834)]