40194040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5261}}^1$

素因数の和:5463

約数の個数: 32

約数和(自身を含む): 90927360

約数和(自身を除く): 50733320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5261, 7640, 10522, 21044, 26305, 42088, 52610, 105220, 210440, 1004851, 2009702, 4019404, 5024255, 8038808, 10048510, 20097020, 40194040]

約数ペア:

[(1, 40194040), (2, 20097020), (4, 10048510), (5, 8038808), (8, 5024255), (10, 4019404), (20, 2009702), (40, 1004851), (191, 210440), (382, 105220), (764, 52610), (955, 42088), (1528, 26305), (1910, 21044), (3820, 10522), (5261, 7640)]