28692080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 69665184

約数和(自身を除く): 40973104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 67, 80, 101, 106, 134, 202, 212, 265, 268, 335, 404, 424, 505, 530, 536, 670, 808, 848, 1010, 1060, 1072, 1340, 1616, 2020, 2120, 2680, 3551, 4040, 4240, 5353, 5360, 6767, 7102, 8080, 10706, 13534, 14204, 17755, 21412, 26765, 27068, 28408, 33835, 35510, 42824, 53530, 54136, 56816, 67670, 71020, 85648, 107060, 108272, 135340, 142040, 214120, 270680, 284080, 358651, 428240, 541360, 717302, 1434604, 1793255, 2869208, 3586510, 5738416, 7173020, 14346040, 28692080]

約数ペア:

[(1, 28692080), (2, 14346040), (4, 7173020), (5, 5738416), (8, 3586510), (10, 2869208), (16, 1793255), (20, 1434604), (40, 717302), (53, 541360), (67, 428240), (80, 358651), (101, 284080), (106, 270680), (134, 214120), (202, 142040), (212, 135340), (265, 108272), (268, 107060), (335, 85648), (404, 71020), (424, 67670), (505, 56816), (530, 54136), (536, 53530), (670, 42824), (808, 35510), (848, 33835), (1010, 28408), (1060, 27068), (1072, 26765), (1340, 21412), (1616, 17755), (2020, 14204), (2120, 13534), (2680, 10706), (3551, 8080), (4040, 7102), (4240, 6767), (5353, 5360)]