80612560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3511}}^1$

素因数の和:3572

約数の個数: 80

約数和(自身を含む): 219485952

約数和(自身を除く): 138873392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 3511, 4592, 5740, 7022, 11480, 14044, 17555, 22960, 24577, 28088, 35110, 49154, 56176, 70220, 98308, 122885, 140440, 143951, 196616, 245770, 280880, 287902, 393232, 491540, 575804, 719755, 983080, 1007657, 1151608, 1439510, 1966160, 2015314, 2303216, 2879020, 4030628, 5038285, 5758040, 8061256, 10076570, 11516080, 16122512, 20153140, 40306280, 80612560]

約数ペア:

[(1, 80612560), (2, 40306280), (4, 20153140), (5, 16122512), (7, 11516080), (8, 10076570), (10, 8061256), (14, 5758040), (16, 5038285), (20, 4030628), (28, 2879020), (35, 2303216), (40, 2015314), (41, 1966160), (56, 1439510), (70, 1151608), (80, 1007657), (82, 983080), (112, 719755), (140, 575804), (164, 491540), (205, 393232), (280, 287902), (287, 280880), (328, 245770), (410, 196616), (560, 143951), (574, 140440), (656, 122885), (820, 98308), (1148, 70220), (1435, 56176), (1640, 49154), (2296, 35110), (2870, 28088), (3280, 24577), (3511, 22960), (4592, 17555), (5740, 14044), (7022, 11480)]