10642660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4036

約数の個数: 48

約数和(自身を含む): 26893440

約数和(自身を除く): 16250780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4001, 8002, 16004, 20005, 28007, 40010, 56014, 76019, 80020, 112028, 140035, 152038, 280070, 304076, 380095, 532133, 560140, 760190, 1064266, 1520380, 2128532, 2660665, 5321330, 10642660]

約数ペア:

[(1, 10642660), (2, 5321330), (4, 2660665), (5, 2128532), (7, 1520380), (10, 1064266), (14, 760190), (19, 560140), (20, 532133), (28, 380095), (35, 304076), (38, 280070), (70, 152038), (76, 140035), (95, 112028), (133, 80020), (140, 76019), (190, 56014), (266, 40010), (380, 28007), (532, 20005), (665, 16004), (1330, 8002), (2660, 4001)]