71822420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67757}}^1$

素因数の和:67819

約数の個数: 24

約数和(自身を含む): 153675144

約数和(自身を除く): 81852724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 67757, 135514, 271028, 338785, 677570, 1355140, 3591121, 7182242, 14364484, 17955605, 35911210, 71822420]

約数ペア:

[(1, 71822420), (2, 35911210), (4, 17955605), (5, 14364484), (10, 7182242), (20, 3591121), (53, 1355140), (106, 677570), (212, 338785), (265, 271028), (530, 135514), (1060, 67757)]