26830820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20023}}^1$

素因数の和:20099

約数の個数: 24

約数和(自身を含む): 57188544

約数和(自身を除く): 30357724

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 20023, 40046, 80092, 100115, 200230, 400460, 1341541, 2683082, 5366164, 6707705, 13415410, 26830820]

約数ペア:

[(1, 26830820), (2, 13415410), (4, 6707705), (5, 5366164), (10, 2683082), (20, 1341541), (67, 400460), (134, 200230), (268, 100115), (335, 80092), (670, 40046), (1340, 20023)]