67286420

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{10613}}^1$

素因数の和:10939

約数の個数: 24

約数和(自身を含む): 141760584

約数和(自身を除く): 74474164

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 10613, 21226, 42452, 53065, 106130, 212260, 3364321, 6728642, 13457284, 16821605, 33643210, 67286420]

約数ペア:

[(1, 67286420), (2, 33643210), (4, 16821605), (5, 13457284), (10, 6728642), (20, 3364321), (317, 212260), (634, 106130), (1268, 53065), (1585, 42452), (3170, 21226), (6340, 10613)]