51376420

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5107}}^1$

素因数の和:5619

約数の個数: 24

約数和(自身を含む): 108126144

約数和(自身を除く): 56749724

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 5107, 10060, 10214, 20428, 25535, 51070, 102140, 2568821, 5137642, 10275284, 12844105, 25688210, 51376420]

約数ペア:

[(1, 51376420), (2, 25688210), (4, 12844105), (5, 10275284), (10, 5137642), (20, 2568821), (503, 102140), (1006, 51070), (2012, 25535), (2515, 20428), (5030, 10214), (5107, 10060)]