82998640

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2113}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 193456368

約数和(自身を除く): 110457728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2113, 2455, 3928, 4226, 4910, 7856, 8452, 9820, 10565, 16904, 19640, 21130, 33808, 39280, 42260, 84520, 169040, 1037483, 2074966, 4149932, 5187415, 8299864, 10374830, 16599728, 20749660, 41499320, 82998640]

約数ペア:

[(1, 82998640), (2, 41499320), (4, 20749660), (5, 16599728), (8, 10374830), (10, 8299864), (16, 5187415), (20, 4149932), (40, 2074966), (80, 1037483), (491, 169040), (982, 84520), (1964, 42260), (2113, 39280), (2455, 33808), (3928, 21130), (4226, 19640), (4910, 16904), (7856, 10565), (8452, 9820)]