978492080

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{81001}}^1$

素因数の和:81165

約数の個数: 40

約数和(自身を含む): 2290088544

約数和(自身を除く): 1311596464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 81001, 162002, 324004, 405005, 648008, 810010, 1296016, 1620020, 3240040, 6480080, 12231151, 24462302, 48924604, 61155755, 97849208, 122311510, 195698416, 244623020, 489246040, 978492080]

約数ペア:

[(1, 978492080), (2, 489246040), (4, 244623020), (5, 195698416), (8, 122311510), (10, 97849208), (16, 61155755), (20, 48924604), (40, 24462302), (80, 12231151), (151, 6480080), (302, 3240040), (604, 1620020), (755, 1296016), (1208, 810010), (1510, 648008), (2416, 405005), (3020, 324004), (6040, 162002), (12080, 81001)]