65680880

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7673}}^1$

素因数の和:7793

約数の個数: 40

約数和(自身を含む): 154155312

約数和(自身を除く): 88474432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7673, 8560, 15346, 30692, 38365, 61384, 76730, 122768, 153460, 306920, 613840, 821011, 1642022, 3284044, 4105055, 6568088, 8210110, 13136176, 16420220, 32840440, 65680880]

約数ペア:

[(1, 65680880), (2, 32840440), (4, 16420220), (5, 13136176), (8, 8210110), (10, 6568088), (16, 4105055), (20, 3284044), (40, 1642022), (80, 821011), (107, 613840), (214, 306920), (428, 153460), (535, 122768), (856, 76730), (1070, 61384), (1712, 38365), (2140, 30692), (4280, 15346), (7673, 8560)]