315738160

素因数分解:

$2^4\times 5^1\times {\mathrm{3946727}}^1$

素因数の和:3946740

約数の個数: 20

約数和(自身を含む): 734091408

約数和(自身を除く): 418353248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3946727, 7893454, 15786908, 19733635, 31573816, 39467270, 63147632, 78934540, 157869080, 315738160]

約数ペア:

[(1, 315738160), (2, 157869080), (4, 78934540), (5, 63147632), (8, 39467270), (10, 31573816), (16, 19733635), (20, 15786908), (40, 7893454), (80, 3946727)]