870801320

素因数分解:

$2^3\times 5^1\times {\mathrm{21770033}}^1$

素因数の和:21770044

約数の個数: 16

約数和(自身を含む): 1959303060

約数和(自身を除く): 1088501740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21770033, 43540066, 87080132, 108850165, 174160264, 217700330, 435400660, 870801320]

約数ペア:

[(1, 870801320), (2, 435400660), (4, 217700330), (5, 174160264), (8, 108850165), (10, 87080132), (20, 43540066), (40, 21770033)]