26977180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 31700516

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 197, 205, 334, 394, 410, 668, 788, 820, 835, 985, 1670, 1970, 3340, 3940, 6847, 8077, 13694, 16154, 27388, 32308, 32899, 34235, 40385, 65798, 68470, 80770, 131596, 136940, 161540, 164495, 328990, 657980, 1348859, 2697718, 5395436, 6744295, 13488590, 26977180]

約数ペア:

[(1, 26977180), (2, 13488590), (4, 6744295), (5, 5395436), (10, 2697718), (20, 1348859), (41, 657980), (82, 328990), (164, 164495), (167, 161540), (197, 136940), (205, 131596), (334, 80770), (394, 68470), (410, 65798), (668, 40385), (788, 34235), (820, 32899), (835, 32308), (985, 27388), (1670, 16154), (1970, 13694), (3340, 8077), (3940, 6847)]