131878280

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{6883}}^1$

素因数の和:7373

約数の個数: 32

約数和(自身を含む): 297388800

約数和(自身を除く): 165510520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 6883, 9580, 13766, 19160, 27532, 34415, 55064, 68830, 137660, 275320, 3296957, 6593914, 13187828, 16484785, 26375656, 32969570, 65939140, 131878280]

約数ペア:

[(1, 131878280), (2, 65939140), (4, 32969570), (5, 26375656), (8, 16484785), (10, 13187828), (20, 6593914), (40, 3296957), (479, 275320), (958, 137660), (1916, 68830), (2395, 55064), (3832, 34415), (4790, 27532), (6883, 19160), (9580, 13766)]