8521940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 12646060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2099, 4060, 4198, 8396, 10495, 14693, 20990, 29386, 41980, 58772, 60871, 73465, 121742, 146930, 243484, 293860, 304355, 426097, 608710, 852194, 1217420, 1704388, 2130485, 4260970, 8521940]

約数ペア:

[(1, 8521940), (2, 4260970), (4, 2130485), (5, 1704388), (7, 1217420), (10, 852194), (14, 608710), (20, 426097), (28, 304355), (29, 293860), (35, 243484), (58, 146930), (70, 121742), (116, 73465), (140, 60871), (145, 58772), (203, 41980), (290, 29386), (406, 20990), (580, 14693), (812, 10495), (1015, 8396), (2030, 4198), (2099, 4060)]