2016806480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1939237}}^1$

素因数の和:1939263

約数の個数: 40

約数和(自身を含む): 5049775752

約数和(自身を除く): 3032969272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1939237, 3878474, 7756948, 9696185, 15513896, 19392370, 25210081, 31027792, 38784740, 50420162, 77569480, 100840324, 126050405, 155138960, 201680648, 252100810, 403361296, 504201620, 1008403240, 2016806480]

約数ペア:

[(1, 2016806480), (2, 1008403240), (4, 504201620), (5, 403361296), (8, 252100810), (10, 201680648), (13, 155138960), (16, 126050405), (20, 100840324), (26, 77569480), (40, 50420162), (52, 38784740), (65, 31027792), (80, 25210081), (104, 19392370), (130, 15513896), (208, 9696185), (260, 7756948), (520, 3878474), (1040, 1939237)]