200909085680

素因数分解:

$2^4\times 5^1\times {\mathrm{2511363571}}^1$

素因数の和:2511363584

約数の個数: 20

約数和(自身を含む): 467113624392

約数和(自身を除く): 266204538712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2511363571, 5022727142, 10045454284, 12556817855, 20090908568, 25113635710, 40181817136, 50227271420, 100454542840, 200909085680]

約数ペア:

[(1, 200909085680), (2, 100454542840), (4, 50227271420), (5, 40181817136), (8, 25113635710), (10, 20090908568), (16, 12556817855), (20, 10045454284), (40, 5022727142), (80, 2511363571)]