85035940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 203575680

約数和(自身を除く): 118539740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 89, 101, 110, 172, 178, 202, 215, 220, 356, 404, 430, 445, 473, 505, 860, 890, 946, 979, 1010, 1111, 1780, 1892, 1958, 2020, 2222, 2365, 3827, 3916, 4343, 4444, 4730, 4895, 5555, 7654, 8686, 8989, 9460, 9790, 11110, 15308, 17372, 17978, 19135, 19580, 21715, 22220, 35956, 38270, 42097, 43430, 44945, 47773, 76540, 84194, 86860, 89890, 95546, 98879, 168388, 179780, 191092, 197758, 210485, 238865, 386527, 395516, 420970, 477730, 494395, 773054, 841940, 955460, 988790, 1546108, 1932635, 1977580, 3865270, 4251797, 7730540, 8503594, 17007188, 21258985, 42517970, 85035940]

約数ペア:

[(1, 85035940), (2, 42517970), (4, 21258985), (5, 17007188), (10, 8503594), (11, 7730540), (20, 4251797), (22, 3865270), (43, 1977580), (44, 1932635), (55, 1546108), (86, 988790), (89, 955460), (101, 841940), (110, 773054), (172, 494395), (178, 477730), (202, 420970), (215, 395516), (220, 386527), (356, 238865), (404, 210485), (430, 197758), (445, 191092), (473, 179780), (505, 168388), (860, 98879), (890, 95546), (946, 89890), (979, 86860), (1010, 84194), (1111, 76540), (1780, 47773), (1892, 44945), (1958, 43430), (2020, 42097), (2222, 38270), (2365, 35956), (3827, 22220), (3916, 21715), (4343, 19580), (4444, 19135), (4730, 17978), (4895, 17372), (5555, 15308), (7654, 11110), (8686, 9790), (8989, 9460)]