80699480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49207}}^1$

素因数の和:49259

約数の個数: 32

約数和(自身を含む): 186006240

約数和(自身を除く): 105306760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49207, 98414, 196828, 246035, 393656, 492070, 984140, 1968280, 2017487, 4034974, 8069948, 10087435, 16139896, 20174870, 40349740, 80699480]

約数ペア:

[(1, 80699480), (2, 40349740), (4, 20174870), (5, 16139896), (8, 10087435), (10, 8069948), (20, 4034974), (40, 2017487), (41, 1968280), (82, 984140), (164, 492070), (205, 393656), (328, 246035), (410, 196828), (820, 98414), (1640, 49207)]