130434440

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{3943}}^1$

素因数の和:4781

約数の個数: 32

約数和(自身を含む): 293906880

約数和(自身を除く): 163472440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 3943, 4135, 6616, 7886, 8270, 15772, 16540, 19715, 31544, 33080, 39430, 78860, 157720, 3260861, 6521722, 13043444, 16304305, 26086888, 32608610, 65217220, 130434440]

約数ペア:

[(1, 130434440), (2, 65217220), (4, 32608610), (5, 26086888), (8, 16304305), (10, 13043444), (20, 6521722), (40, 3260861), (827, 157720), (1654, 78860), (3308, 39430), (3943, 33080), (4135, 31544), (6616, 19715), (7886, 16540), (8270, 15772)]