8120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:47

約数の個数: 32

約数和(自身を含む): 21600

約数和(自身を除く): 13480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120]

約数ペア:

[(1, 8120), (2, 4060), (4, 2030), (5, 1624), (7, 1160), (8, 1015), (10, 812), (14, 580), (20, 406), (28, 290), (29, 280), (35, 232), (40, 203), (56, 145), (58, 140), (70, 116)]