117861880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71867}}^1$

素因数の和:71919

約数の個数: 32

約数和(自身を含む): 271661040

約数和(自身を除く): 153799160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 71867, 143734, 287468, 359335, 574936, 718670, 1437340, 2874680, 2946547, 5893094, 11786188, 14732735, 23572376, 29465470, 58930940, 117861880]

約数ペア:

[(1, 117861880), (2, 58930940), (4, 29465470), (5, 23572376), (8, 14732735), (10, 11786188), (20, 5893094), (40, 2946547), (41, 2874680), (82, 1437340), (164, 718670), (205, 574936), (328, 359335), (410, 287468), (820, 143734), (1640, 71867)]