84706820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9391}}^1$

素因数の和:9452

約数の個数: 48

約数和(自身を含む): 198809856

約数和(自身を除く): 114103036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 9391, 18782, 37564, 46955, 93910, 103301, 187820, 206602, 385031, 413204, 516505, 770062, 1033010, 1540124, 1925155, 2066020, 3850310, 4235341, 7700620, 8470682, 16941364, 21176705, 42353410, 84706820]

約数ペア:

[(1, 84706820), (2, 42353410), (4, 21176705), (5, 16941364), (10, 8470682), (11, 7700620), (20, 4235341), (22, 3850310), (41, 2066020), (44, 1925155), (55, 1540124), (82, 1033010), (110, 770062), (164, 516505), (205, 413204), (220, 385031), (410, 206602), (451, 187820), (820, 103301), (902, 93910), (1804, 46955), (2255, 37564), (4510, 18782), (9020, 9391)]