51790720

素因数分解:

$2^7\times 5^1\times {\mathrm{80923}}^1$

素因数の和:80942

約数の個数: 32

約数和(自身を含む): 123813720

約数和(自身を除く): 72023000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80923, 161846, 323692, 404615, 647384, 809230, 1294768, 1618460, 2589536, 3236920, 5179072, 6473840, 10358144, 12947680, 25895360, 51790720]

約数ペア:

[(1, 51790720), (2, 25895360), (4, 12947680), (5, 10358144), (8, 6473840), (10, 5179072), (16, 3236920), (20, 2589536), (32, 1618460), (40, 1294768), (64, 809230), (80, 647384), (128, 404615), (160, 323692), (320, 161846), (640, 80923)]