15669380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 34228656

約数和(自身を除く): 18559276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 197, 205, 388, 394, 410, 485, 788, 820, 970, 985, 1940, 1970, 3940, 3977, 7954, 8077, 15908, 16154, 19109, 19885, 32308, 38218, 39770, 40385, 76436, 79540, 80770, 95545, 161540, 191090, 382180, 783469, 1566938, 3133876, 3917345, 7834690, 15669380]

約数ペア:

[(1, 15669380), (2, 7834690), (4, 3917345), (5, 3133876), (10, 1566938), (20, 783469), (41, 382180), (82, 191090), (97, 161540), (164, 95545), (194, 80770), (197, 79540), (205, 76436), (388, 40385), (394, 39770), (410, 38218), (485, 32308), (788, 19885), (820, 19109), (970, 16154), (985, 15908), (1940, 8077), (1970, 7954), (3940, 3977)]