424640

素因数分解:

$2^6\times 5^1\times {\mathrm{1327}}^1$

素因数の和:1344

約数の個数: 28

約数和(自身を含む): 1011936

約数和(自身を除く): 587296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1327, 2654, 5308, 6635, 10616, 13270, 21232, 26540, 42464, 53080, 84928, 106160, 212320, 424640]

約数ペア:

[(1, 424640), (2, 212320), (4, 106160), (5, 84928), (8, 53080), (10, 42464), (16, 26540), (20, 21232), (32, 13270), (40, 10616), (64, 6635), (80, 5308), (160, 2654), (320, 1327)]