210002022140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{256100027}}^1$

素因数の和:256100077

約数の個数: 24

約数和(自身を含む): 451760449392

約数和(自身を除く): 241758427252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 256100027, 512200054, 1024400108, 1280500135, 2561000270, 5122000540, 10500101107, 21000202214, 42000404428, 52500505535, 105001011070, 210002022140]

約数ペア:

[(1, 210002022140), (2, 105001011070), (4, 52500505535), (5, 42000404428), (10, 21000202214), (20, 10500101107), (41, 5122000540), (82, 2561000270), (164, 1280500135), (205, 1024400108), (410, 512200054), (820, 256100027)]