129738040

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4967}}^1$

素因数の和:5631

約数の個数: 32

約数和(自身を含む): 292416480

約数和(自身を除く): 162678440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 4967, 5224, 6530, 9934, 13060, 19868, 24835, 26120, 39736, 49670, 99340, 198680, 3243451, 6486902, 12973804, 16217255, 25947608, 32434510, 64869020, 129738040]

約数ペア:

[(1, 129738040), (2, 64869020), (4, 32434510), (5, 25947608), (8, 16217255), (10, 12973804), (20, 6486902), (40, 3243451), (653, 198680), (1306, 99340), (2612, 49670), (3265, 39736), (4967, 26120), (5224, 24835), (6530, 19868), (9934, 13060)]