53838640

素因数分解:

$2^4\times 5^1\times {\mathrm{672983}}^1$

素因数の和:672996

約数の個数: 20

約数和(自身を含む): 125175024

約数和(自身を除く): 71336384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 672983, 1345966, 2691932, 3364915, 5383864, 6729830, 10767728, 13459660, 26919320, 53838640]

約数ペア:

[(1, 53838640), (2, 26919320), (4, 13459660), (5, 10767728), (8, 6729830), (10, 5383864), (16, 3364915), (20, 2691932), (40, 1345966), (80, 672983)]