2021008880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{3517}}^1$

素因数の和:4194

約数の個数: 80

約数和(自身を含む): 5135323104

約数和(自身を除く): 3114314224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 653, 880, 1306, 2612, 3265, 3517, 5224, 6530, 7034, 7183, 10448, 13060, 14068, 14366, 17585, 26120, 28136, 28732, 35170, 35915, 38687, 52240, 56272, 57464, 70340, 71830, 77374, 114928, 140680, 143660, 154748, 193435, 281360, 287320, 309496, 386870, 574640, 618992, 773740, 1547480, 2296601, 3094960, 4593202, 9186404, 11483005, 18372808, 22966010, 25262611, 36745616, 45932020, 50525222, 91864040, 101050444, 126313055, 183728080, 202100888, 252626110, 404201776, 505252220, 1010504440, 2021008880]

約数ペア:

[(1, 2021008880), (2, 1010504440), (4, 505252220), (5, 404201776), (8, 252626110), (10, 202100888), (11, 183728080), (16, 126313055), (20, 101050444), (22, 91864040), (40, 50525222), (44, 45932020), (55, 36745616), (80, 25262611), (88, 22966010), (110, 18372808), (176, 11483005), (220, 9186404), (440, 4593202), (653, 3094960), (880, 2296601), (1306, 1547480), (2612, 773740), (3265, 618992), (3517, 574640), (5224, 386870), (6530, 309496), (7034, 287320), (7183, 281360), (10448, 193435), (13060, 154748), (14068, 143660), (14366, 140680), (17585, 114928), (26120, 77374), (28136, 71830), (28732, 70340), (35170, 57464), (35915, 56272), (38687, 52240)]