839537080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{160217}}^1$

素因数の和:160359

約数の個数: 32

約数和(自身を含む): 1903389840

約数和(自身を除く): 1063852760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 160217, 320434, 640868, 801085, 1281736, 1602170, 3204340, 6408680, 20988427, 41976854, 83953708, 104942135, 167907416, 209884270, 419768540, 839537080]

約数ペア:

[(1, 839537080), (2, 419768540), (4, 209884270), (5, 167907416), (8, 104942135), (10, 83953708), (20, 41976854), (40, 20988427), (131, 6408680), (262, 3204340), (524, 1602170), (655, 1281736), (1048, 801085), (1310, 640868), (2620, 320434), (5240, 160217)]