81625900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42961}}^1$

素因数の和:42994

約数の個数: 36

約数和(自身を含む): 186455080

約数和(自身を除く): 104829180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42961, 85922, 171844, 214805, 429610, 816259, 859220, 1074025, 1632518, 2148050, 3265036, 4081295, 4296100, 8162590, 16325180, 20406475, 40812950, 81625900]

約数ペア:

[(1, 81625900), (2, 40812950), (4, 20406475), (5, 16325180), (10, 8162590), (19, 4296100), (20, 4081295), (25, 3265036), (38, 2148050), (50, 1632518), (76, 1074025), (95, 859220), (100, 816259), (190, 429610), (380, 214805), (475, 171844), (950, 85922), (1900, 42961)]