16639240

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{827}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 20918840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 827, 1006, 1654, 2012, 2515, 3308, 4024, 4135, 5030, 6616, 8270, 10060, 16540, 20120, 33080, 415981, 831962, 1663924, 2079905, 3327848, 4159810, 8319620, 16639240]

約数ペア:

[(1, 16639240), (2, 8319620), (4, 4159810), (5, 3327848), (8, 2079905), (10, 1663924), (20, 831962), (40, 415981), (503, 33080), (827, 20120), (1006, 16540), (1654, 10060), (2012, 8270), (2515, 6616), (3308, 5030), (4024, 4135)]