164022140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 354521664

約数和(自身を除く): 190499524

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 317, 410, 631, 634, 820, 1262, 1268, 1585, 2524, 3155, 3170, 6310, 6340, 12620, 12997, 25871, 25994, 51742, 51988, 64985, 103484, 129355, 129970, 200027, 258710, 259940, 400054, 517420, 800108, 1000135, 2000270, 4000540, 8201107, 16402214, 32804428, 41005535, 82011070, 164022140]

約数ペア:

[(1, 164022140), (2, 82011070), (4, 41005535), (5, 32804428), (10, 16402214), (20, 8201107), (41, 4000540), (82, 2000270), (164, 1000135), (205, 800108), (317, 517420), (410, 400054), (631, 259940), (634, 258710), (820, 200027), (1262, 129970), (1268, 129355), (1585, 103484), (2524, 64985), (3155, 51988), (3170, 51742), (6310, 25994), (6340, 25871), (12620, 12997)]