80461780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574727}}^1$

素因数の和:574743

約数の個数: 24

約数和(自身を含む): 193108608

約数和(自身を除く): 112646828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574727, 1149454, 2298908, 2873635, 4023089, 5747270, 8046178, 11494540, 16092356, 20115445, 40230890, 80461780]

約数ペア:

[(1, 80461780), (2, 40230890), (4, 20115445), (5, 16092356), (7, 11494540), (10, 8046178), (14, 5747270), (20, 4023089), (28, 2873635), (35, 2298908), (70, 1149454), (140, 574727)]