201148520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{30851}}^1$

素因数の和:31025

約数の個数: 32

約数和(自身を含む): 455375520

約数和(自身を除く): 254227000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 30851, 61702, 123404, 154255, 246808, 308510, 617020, 1234040, 5028713, 10057426, 20114852, 25143565, 40229704, 50287130, 100574260, 201148520]

約数ペア:

[(1, 201148520), (2, 100574260), (4, 50287130), (5, 40229704), (8, 25143565), (10, 20114852), (20, 10057426), (40, 5028713), (163, 1234040), (326, 617020), (652, 308510), (815, 246808), (1304, 154255), (1630, 123404), (3260, 61702), (6520, 30851)]