28390720

素因数分解:

$2^6\times 5^1\times {\mathrm{88721}}^1$

素因数の和:88738

約数の個数: 28

約数和(自身を含む): 67606164

約数和(自身を除く): 39215444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 88721, 177442, 354884, 443605, 709768, 887210, 1419536, 1774420, 2839072, 3548840, 5678144, 7097680, 14195360, 28390720]

約数ペア:

[(1, 28390720), (2, 14195360), (4, 7097680), (5, 5678144), (8, 3548840), (10, 2839072), (16, 1774420), (20, 1419536), (32, 887210), (40, 709768), (64, 443605), (80, 354884), (160, 177442), (320, 88721)]