201212575

素因数分解:

$5^2\times {\mathrm{503}}^1\times {\mathrm{16001}}^1$

素因数の和:16514

約数の個数: 12

約数和(自身を含む): 250015248

約数和(自身を除く): 48802673

約数列:

[1, 5, 25, 503, 2515, 12575, 16001, 80005, 400025, 8048503, 40242515, 201212575]

約数ペア:

[(1, 201212575), (5, 40242515), (25, 8048503), (503, 400025), (2515, 80005), (12575, 16001)]