80812700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42533}}^1$

素因数の和:42566

約数の個数: 36

約数和(自身を含む): 184597560

約数和(自身を除く): 103784860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42533, 85066, 170132, 212665, 425330, 808127, 850660, 1063325, 1616254, 2126650, 3232508, 4040635, 4253300, 8081270, 16162540, 20203175, 40406350, 80812700]

約数ペア:

[(1, 80812700), (2, 40406350), (4, 20203175), (5, 16162540), (10, 8081270), (19, 4253300), (20, 4040635), (25, 3232508), (38, 2126650), (50, 1616254), (76, 1063325), (95, 850660), (100, 808127), (190, 425330), (380, 212665), (475, 170132), (950, 85066), (1900, 42533)]