82359980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 181028736

約数和(自身を除く): 98668756

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 2137, 3854, 4274, 7708, 8548, 9635, 10685, 19270, 21370, 38540, 42740, 87617, 100439, 175234, 200878, 350468, 401756, 438085, 502195, 876170, 1004390, 1752340, 2008780, 4117999, 8235998, 16471996, 20589995, 41179990, 82359980]

約数ペア:

[(1, 82359980), (2, 41179990), (4, 20589995), (5, 16471996), (10, 8235998), (20, 4117999), (41, 2008780), (47, 1752340), (82, 1004390), (94, 876170), (164, 502195), (188, 438085), (205, 401756), (235, 350468), (410, 200878), (470, 175234), (820, 100439), (940, 87617), (1927, 42740), (2137, 38540), (3854, 21370), (4274, 19270), (7708, 10685), (8548, 9635)]