66776720

素因数分解:

$2^4\times 5^1\times {\mathrm{834709}}^1$

素因数の和:834722

約数の個数: 20

約数和(自身を含む): 155256060

約数和(自身を除く): 88479340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834709, 1669418, 3338836, 4173545, 6677672, 8347090, 13355344, 16694180, 33388360, 66776720]

約数ペア:

[(1, 66776720), (2, 33388360), (4, 16694180), (5, 13355344), (8, 8347090), (10, 6677672), (16, 4173545), (20, 3338836), (40, 1669418), (80, 834709)]