173681680

素因数分解:

$2^4\times 5^1\times {\mathrm{2171021}}^1$

素因数の和:2171034

約数の個数: 20

約数和(自身を含む): 403810092

約数和(自身を除く): 230128412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2171021, 4342042, 8684084, 10855105, 17368168, 21710210, 34736336, 43420420, 86840840, 173681680]

約数ペア:

[(1, 173681680), (2, 86840840), (4, 43420420), (5, 34736336), (8, 21710210), (10, 17368168), (16, 10855105), (20, 8684084), (40, 4342042), (80, 2171021)]