13040240

素因数分解:

$2^4\times 5^1\times {\mathrm{163003}}^1$

素因数の和:163016

約数の個数: 20

約数和(自身を含む): 30318744

約数和(自身を除く): 17278504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163003, 326006, 652012, 815015, 1304024, 1630030, 2608048, 3260060, 6520120, 13040240]

約数ペア:

[(1, 13040240), (2, 6520120), (4, 3260060), (5, 2608048), (8, 1630030), (10, 1304024), (16, 815015), (20, 652012), (40, 326006), (80, 163003)]