202245520

素因数分解:

$2^4\times 5^1\times {\mathrm{2528069}}^1$

素因数の和:2528082

約数の個数: 20

約数和(自身を含む): 470221020

約数和(自身を除く): 267975500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2528069, 5056138, 10112276, 12640345, 20224552, 25280690, 40449104, 50561380, 101122760, 202245520]

約数ペア:

[(1, 202245520), (2, 101122760), (4, 50561380), (5, 40449104), (8, 25280690), (10, 20224552), (16, 12640345), (20, 10112276), (40, 5056138), (80, 2528069)]