200907440

素因数分解:

$2^4\times 5^1\times {\mathrm{2511343}}^1$

素因数の和:2511356

約数の個数: 20

約数和(自身を含む): 467109984

約数和(自身を除く): 266202544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2511343, 5022686, 10045372, 12556715, 20090744, 25113430, 40181488, 50226860, 100453720, 200907440]

約数ペア:

[(1, 200907440), (2, 100453720), (4, 50226860), (5, 40181488), (8, 25113430), (10, 20090744), (16, 12556715), (20, 10045372), (40, 5022686), (80, 2511343)]