83606720

素因数分解:

$2^6\times 5^1\times {\mathrm{261271}}^1$

素因数の和:261288

約数の個数: 28

約数和(自身を含む): 199089264

約数和(自身を除く): 115482544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 261271, 522542, 1045084, 1306355, 2090168, 2612710, 4180336, 5225420, 8360672, 10450840, 16721344, 20901680, 41803360, 83606720]

約数ペア:

[(1, 83606720), (2, 41803360), (4, 20901680), (5, 16721344), (8, 10450840), (10, 8360672), (16, 5225420), (20, 4180336), (32, 2612710), (40, 2090168), (64, 1306355), (80, 1045084), (160, 522542), (320, 261271)]