40489760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{701}}^1$

素因数の和:754

約数の個数: 72

約数和(自身を含む): 101100636

約数和(自身を除く): 60610876

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 701, 722, 760, 1402, 1444, 1520, 1805, 2804, 2888, 3040, 3505, 3610, 5608, 5776, 7010, 7220, 11216, 11552, 13319, 14020, 14440, 22432, 26638, 28040, 28880, 53276, 56080, 57760, 66595, 106552, 112160, 133190, 213104, 253061, 266380, 426208, 506122, 532760, 1012244, 1065520, 1265305, 2024488, 2131040, 2530610, 4048976, 5061220, 8097952, 10122440, 20244880, 40489760]

約数ペア:

[(1, 40489760), (2, 20244880), (4, 10122440), (5, 8097952), (8, 5061220), (10, 4048976), (16, 2530610), (19, 2131040), (20, 2024488), (32, 1265305), (38, 1065520), (40, 1012244), (76, 532760), (80, 506122), (95, 426208), (152, 266380), (160, 253061), (190, 213104), (304, 133190), (361, 112160), (380, 106552), (608, 66595), (701, 57760), (722, 56080), (760, 53276), (1402, 28880), (1444, 28040), (1520, 26638), (1805, 22432), (2804, 14440), (2888, 14020), (3040, 13319), (3505, 11552), (3610, 11216), (5608, 7220), (5776, 7010)]