82536680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12659}}^1$

素因数の和:12833

約数の個数: 32

約数和(自身を含む): 186861600

約数和(自身を除く): 104324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12659, 25318, 50636, 63295, 101272, 126590, 253180, 506360, 2063417, 4126834, 8253668, 10317085, 16507336, 20634170, 41268340, 82536680]

約数ペア:

[(1, 82536680), (2, 41268340), (4, 20634170), (5, 16507336), (8, 10317085), (10, 8253668), (20, 4126834), (40, 2063417), (163, 506360), (326, 253180), (652, 126590), (815, 101272), (1304, 63295), (1630, 50636), (3260, 25318), (6520, 12659)]