86207180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2549}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 192780000

約数和(自身を除く): 106572820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 2549, 3382, 5098, 6764, 8455, 10196, 12745, 16910, 25490, 33820, 48431, 50980, 96862, 193724, 226861, 242155, 453722, 484310, 907444, 968620, 1134305, 2268610, 4310359, 4537220, 8620718, 17241436, 21551795, 43103590, 86207180]

約数ペア:

[(1, 86207180), (2, 43103590), (4, 21551795), (5, 17241436), (10, 8620718), (19, 4537220), (20, 4310359), (38, 2268610), (76, 1134305), (89, 968620), (95, 907444), (178, 484310), (190, 453722), (356, 242155), (380, 226861), (445, 193724), (890, 96862), (1691, 50980), (1780, 48431), (2549, 33820), (3382, 25490), (5098, 16910), (6764, 12745), (8455, 10196)]