79310720

素因数分解:

$2^7\times 5^1\times {\mathrm{123923}}^1$

素因数の和:123942

約数の個数: 32

約数和(自身を含む): 189603720

約数和(自身を除く): 110293000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123923, 247846, 495692, 619615, 991384, 1239230, 1982768, 2478460, 3965536, 4956920, 7931072, 9913840, 15862144, 19827680, 39655360, 79310720]

約数ペア:

[(1, 79310720), (2, 39655360), (4, 19827680), (5, 15862144), (8, 9913840), (10, 7931072), (16, 4956920), (20, 3965536), (32, 2478460), (40, 1982768), (64, 1239230), (80, 991384), (128, 619615), (160, 495692), (320, 247846), (640, 123923)]