66764420

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4831}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 140437248

約数和(自身を除く): 73672828

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 4831, 6910, 9662, 13820, 19324, 24155, 48310, 96620, 3338221, 6676442, 13352884, 16691105, 33382210, 66764420]

約数ペア:

[(1, 66764420), (2, 33382210), (4, 16691105), (5, 13352884), (10, 6676442), (20, 3338221), (691, 96620), (1382, 48310), (2764, 24155), (3455, 19324), (4831, 13820), (6910, 9662)]