80516240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143779}}^1$

素因数の和:143799

約数の個数: 40

約数和(自身を含む): 213944640

約数和(自身を除く): 133428400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143779, 287558, 575116, 718895, 1006453, 1150232, 1437790, 2012906, 2300464, 2875580, 4025812, 5032265, 5751160, 8051624, 10064530, 11502320, 16103248, 20129060, 40258120, 80516240]

約数ペア:

[(1, 80516240), (2, 40258120), (4, 20129060), (5, 16103248), (7, 11502320), (8, 10064530), (10, 8051624), (14, 5751160), (16, 5032265), (20, 4025812), (28, 2875580), (35, 2300464), (40, 2012906), (56, 1437790), (70, 1150232), (80, 1006453), (112, 718895), (140, 575116), (280, 287558), (560, 143779)]