3189080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1307}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 7298640

約数和(自身を除く): 4109560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1307, 2440, 2614, 5228, 6535, 10456, 13070, 26140, 52280, 79727, 159454, 318908, 398635, 637816, 797270, 1594540, 3189080]

約数ペア:

[(1, 3189080), (2, 1594540), (4, 797270), (5, 637816), (8, 398635), (10, 318908), (20, 159454), (40, 79727), (61, 52280), (122, 26140), (244, 13070), (305, 10456), (488, 6535), (610, 5228), (1220, 2614), (1307, 2440)]