72505520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47701}}^1$

素因数の和:47733

約数の個数: 40

約数和(自身を含む): 177451440

約数和(自身を除く): 104945920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 47701, 95402, 190804, 238505, 381608, 477010, 763216, 906319, 954020, 1812638, 1908040, 3625276, 3816080, 4531595, 7250552, 9063190, 14501104, 18126380, 36252760, 72505520]

約数ペア:

[(1, 72505520), (2, 36252760), (4, 18126380), (5, 14501104), (8, 9063190), (10, 7250552), (16, 4531595), (19, 3816080), (20, 3625276), (38, 1908040), (40, 1812638), (76, 954020), (80, 906319), (95, 763216), (152, 477010), (190, 381608), (304, 238505), (380, 190804), (760, 95402), (1520, 47701)]