16658780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 36615936

約数和(自身を除く): 19957156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 277, 310, 388, 485, 554, 620, 970, 1108, 1385, 1940, 2770, 3007, 5540, 6014, 8587, 12028, 15035, 17174, 26869, 30070, 34348, 42935, 53738, 60140, 85870, 107476, 134345, 171740, 268690, 537380, 832939, 1665878, 3331756, 4164695, 8329390, 16658780]

約数ペア:

[(1, 16658780), (2, 8329390), (4, 4164695), (5, 3331756), (10, 1665878), (20, 832939), (31, 537380), (62, 268690), (97, 171740), (124, 134345), (155, 107476), (194, 85870), (277, 60140), (310, 53738), (388, 42935), (485, 34348), (554, 30070), (620, 26869), (970, 17174), (1108, 15035), (1385, 12028), (1940, 8587), (2770, 6014), (3007, 5540)]