131104880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39971}}^1$

素因数の和:40025

約数の個数: 40

約数和(自身を含む): 312261264

約数和(自身を除く): 181156384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 39971, 79942, 159884, 199855, 319768, 399710, 639536, 799420, 1598840, 1638811, 3197680, 3277622, 6555244, 8194055, 13110488, 16388110, 26220976, 32776220, 65552440, 131104880]

約数ペア:

[(1, 131104880), (2, 65552440), (4, 32776220), (5, 26220976), (8, 16388110), (10, 13110488), (16, 8194055), (20, 6555244), (40, 3277622), (41, 3197680), (80, 1638811), (82, 1598840), (164, 799420), (205, 639536), (328, 399710), (410, 319768), (656, 199855), (820, 159884), (1640, 79942), (3280, 39971)]