52080520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 136080000

約数和(自身を除く): 83999480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 139, 145, 152, 170, 190, 232, 278, 290, 323, 340, 380, 493, 551, 556, 580, 646, 680, 695, 760, 986, 1102, 1112, 1160, 1292, 1390, 1615, 1972, 2204, 2363, 2465, 2584, 2641, 2755, 2780, 3230, 3944, 4031, 4408, 4726, 4930, 5282, 5510, 5560, 6460, 8062, 9367, 9452, 9860, 10564, 11020, 11815, 12920, 13205, 16124, 18734, 18904, 19720, 20155, 21128, 22040, 23630, 26410, 32248, 37468, 40310, 44897, 46835, 47260, 52820, 68527, 74936, 76589, 80620, 89794, 93670, 94520, 105640, 137054, 153178, 161240, 179588, 187340, 224485, 274108, 306356, 342635, 359176, 374680, 382945, 448970, 548216, 612712, 685270, 765890, 897940, 1302013, 1370540, 1531780, 1795880, 2604026, 2741080, 3063560, 5208052, 6510065, 10416104, 13020130, 26040260, 52080520]

約数ペア:

[(1, 52080520), (2, 26040260), (4, 13020130), (5, 10416104), (8, 6510065), (10, 5208052), (17, 3063560), (19, 2741080), (20, 2604026), (29, 1795880), (34, 1531780), (38, 1370540), (40, 1302013), (58, 897940), (68, 765890), (76, 685270), (85, 612712), (95, 548216), (116, 448970), (136, 382945), (139, 374680), (145, 359176), (152, 342635), (170, 306356), (190, 274108), (232, 224485), (278, 187340), (290, 179588), (323, 161240), (340, 153178), (380, 137054), (493, 105640), (551, 94520), (556, 93670), (580, 89794), (646, 80620), (680, 76589), (695, 74936), (760, 68527), (986, 52820), (1102, 47260), (1112, 46835), (1160, 44897), (1292, 40310), (1390, 37468), (1615, 32248), (1972, 26410), (2204, 23630), (2363, 22040), (2465, 21128), (2584, 20155), (2641, 19720), (2755, 18904), (2780, 18734), (3230, 16124), (3944, 13205), (4031, 12920), (4408, 11815), (4726, 11020), (4930, 10564), (5282, 9860), (5510, 9452), (5560, 9367), (6460, 8062)]