42991540

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6781}}^1$

素因数の和:7107

約数の個数: 24

約数和(自身を含む): 90580392

約数和(自身を除く): 47588852

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 6781, 13562, 27124, 33905, 67810, 135620, 2149577, 4299154, 8598308, 10747885, 21495770, 42991540]

約数ペア:

[(1, 42991540), (2, 21495770), (4, 10747885), (5, 8598308), (10, 4299154), (20, 2149577), (317, 135620), (634, 67810), (1268, 33905), (1585, 27124), (3170, 13562), (6340, 6781)]