2021316520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2659627}}^1$

素因数の和:2659657

約数の個数: 32

約数和(自身を含む): 4787330400

約数和(自身を除く): 2766013880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2659627, 5319254, 10638508, 13298135, 21277016, 26596270, 50532913, 53192540, 101065826, 106385080, 202131652, 252664565, 404263304, 505329130, 1010658260, 2021316520]

約数ペア:

[(1, 2021316520), (2, 1010658260), (4, 505329130), (5, 404263304), (8, 252664565), (10, 202131652), (19, 106385080), (20, 101065826), (38, 53192540), (40, 50532913), (76, 26596270), (95, 21277016), (152, 13298135), (190, 10638508), (380, 5319254), (760, 2659627)]