80869460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577639}}^1$

素因数の和:577655

約数の個数: 24

約数和(自身を含む): 194087040

約数和(自身を除く): 113217580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577639, 1155278, 2310556, 2888195, 4043473, 5776390, 8086946, 11552780, 16173892, 20217365, 40434730, 80869460]

約数ペア:

[(1, 80869460), (2, 40434730), (4, 20217365), (5, 16173892), (7, 11552780), (10, 8086946), (14, 5776390), (20, 4043473), (28, 2888195), (35, 2310556), (70, 1155278), (140, 577639)]