39745660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 92186640

約数和(自身を除く): 52440980

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 139, 145, 170, 278, 290, 340, 493, 556, 580, 695, 841, 986, 1390, 1682, 1972, 2363, 2465, 2780, 3364, 4031, 4205, 4726, 4930, 8062, 8410, 9452, 9860, 11815, 14297, 16124, 16820, 20155, 23630, 28594, 40310, 47260, 57188, 68527, 71485, 80620, 116899, 137054, 142970, 233798, 274108, 285940, 342635, 467596, 584495, 685270, 1168990, 1370540, 1987283, 2337980, 3974566, 7949132, 9936415, 19872830, 39745660]

約数ペア:

[(1, 39745660), (2, 19872830), (4, 9936415), (5, 7949132), (10, 3974566), (17, 2337980), (20, 1987283), (29, 1370540), (34, 1168990), (58, 685270), (68, 584495), (85, 467596), (116, 342635), (139, 285940), (145, 274108), (170, 233798), (278, 142970), (290, 137054), (340, 116899), (493, 80620), (556, 71485), (580, 68527), (695, 57188), (841, 47260), (986, 40310), (1390, 28594), (1682, 23630), (1972, 20155), (2363, 16820), (2465, 16124), (2780, 14297), (3364, 11815), (4031, 9860), (4205, 9452), (4726, 8410), (4930, 8062)]