31770160

素因数分解:

$2^4\times 5^1\times {\mathrm{397127}}^1$

素因数の和:397140

約数の個数: 20

約数和(自身を含む): 73865808

約数和(自身を除く): 42095648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397127, 794254, 1588508, 1985635, 3177016, 3971270, 6354032, 7942540, 15885080, 31770160]

約数ペア:

[(1, 31770160), (2, 15885080), (4, 7942540), (5, 6354032), (8, 3971270), (10, 3177016), (16, 1985635), (20, 1588508), (40, 794254), (80, 397127)]