42570640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4040

約数の個数: 80

約数和(自身を含む): 119099520

約数和(自身を除く): 76528880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 4001, 5320, 8002, 10640, 16004, 20005, 28007, 32008, 40010, 56014, 64016, 76019, 80020, 112028, 140035, 152038, 160040, 224056, 280070, 304076, 320080, 380095, 448112, 532133, 560140, 608152, 760190, 1064266, 1120280, 1216304, 1520380, 2128532, 2240560, 2660665, 3040760, 4257064, 5321330, 6081520, 8514128, 10642660, 21285320, 42570640]

約数ペア:

[(1, 42570640), (2, 21285320), (4, 10642660), (5, 8514128), (7, 6081520), (8, 5321330), (10, 4257064), (14, 3040760), (16, 2660665), (19, 2240560), (20, 2128532), (28, 1520380), (35, 1216304), (38, 1120280), (40, 1064266), (56, 760190), (70, 608152), (76, 560140), (80, 532133), (95, 448112), (112, 380095), (133, 320080), (140, 304076), (152, 280070), (190, 224056), (266, 160040), (280, 152038), (304, 140035), (380, 112028), (532, 80020), (560, 76019), (665, 64016), (760, 56014), (1064, 40010), (1330, 32008), (1520, 28007), (2128, 20005), (2660, 16004), (4001, 10640), (5320, 8002)]