80854480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144383}}^1$

素因数の和:144403

約数の個数: 40

約数和(自身を含む): 214843392

約数和(自身を除く): 133988912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144383, 288766, 577532, 721915, 1010681, 1155064, 1443830, 2021362, 2310128, 2887660, 4042724, 5053405, 5775320, 8085448, 10106810, 11550640, 16170896, 20213620, 40427240, 80854480]

約数ペア:

[(1, 80854480), (2, 40427240), (4, 20213620), (5, 16170896), (7, 11550640), (8, 10106810), (10, 8085448), (14, 5775320), (16, 5053405), (20, 4042724), (28, 2887660), (35, 2310128), (40, 2021362), (56, 1443830), (70, 1155064), (80, 1010681), (112, 721915), (140, 577532), (280, 288766), (560, 144383)]