26278240

素因数分解:

$2^5\times 5^1\times {\mathrm{164239}}^1$

素因数の和:164254

約数の個数: 24

約数和(自身を含む): 62082720

約数和(自身を除く): 35804480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 164239, 328478, 656956, 821195, 1313912, 1642390, 2627824, 3284780, 5255648, 6569560, 13139120, 26278240]

約数ペア:

[(1, 26278240), (2, 13139120), (4, 6569560), (5, 5255648), (8, 3284780), (10, 2627824), (16, 1642390), (20, 1313912), (32, 821195), (40, 656956), (80, 328478), (160, 164239)]