56307280

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1301}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 131257224

約数和(自身を除く): 74949944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 1301, 2164, 2602, 2705, 4328, 5204, 5410, 6505, 8656, 10408, 10820, 13010, 20816, 21640, 26020, 43280, 52040, 104080, 703841, 1407682, 2815364, 3519205, 5630728, 7038410, 11261456, 14076820, 28153640, 56307280]

約数ペア:

[(1, 56307280), (2, 28153640), (4, 14076820), (5, 11261456), (8, 7038410), (10, 5630728), (16, 3519205), (20, 2815364), (40, 1407682), (80, 703841), (541, 104080), (1082, 52040), (1301, 43280), (2164, 26020), (2602, 21640), (2705, 20816), (4328, 13010), (5204, 10820), (5410, 10408), (6505, 8656)]