28316680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4438

約数の個数: 64

約数和(自身を含む): 75997440

約数和(自身を除く): 47680760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4397, 6440, 8794, 17588, 21985, 30779, 35176, 43970, 61558, 87940, 101131, 123116, 153895, 175880, 202262, 246232, 307790, 404524, 505655, 615580, 707917, 809048, 1011310, 1231160, 1415834, 2022620, 2831668, 3539585, 4045240, 5663336, 7079170, 14158340, 28316680]

約数ペア:

[(1, 28316680), (2, 14158340), (4, 7079170), (5, 5663336), (7, 4045240), (8, 3539585), (10, 2831668), (14, 2022620), (20, 1415834), (23, 1231160), (28, 1011310), (35, 809048), (40, 707917), (46, 615580), (56, 505655), (70, 404524), (92, 307790), (115, 246232), (140, 202262), (161, 175880), (184, 153895), (230, 123116), (280, 101131), (322, 87940), (460, 61558), (644, 43970), (805, 35176), (920, 30779), (1288, 21985), (1610, 17588), (3220, 8794), (4397, 6440)]