7900520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 17867520

約数和(自身を除く): 9967000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 751, 1052, 1315, 1502, 2104, 2630, 3004, 3755, 5260, 6008, 7510, 10520, 15020, 30040, 197513, 395026, 790052, 987565, 1580104, 1975130, 3950260, 7900520]

約数ペア:

[(1, 7900520), (2, 3950260), (4, 1975130), (5, 1580104), (8, 987565), (10, 790052), (20, 395026), (40, 197513), (263, 30040), (526, 15020), (751, 10520), (1052, 7510), (1315, 6008), (1502, 5260), (2104, 3755), (2630, 3004)]