38948720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2549}}^1$

素因数の和:2753

約数の個数: 40

約数和(自身を含む): 91065600

約数和(自身を除く): 52116880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2549, 3056, 3820, 5098, 7640, 10196, 12745, 15280, 20392, 25490, 40784, 50980, 101960, 203920, 486859, 973718, 1947436, 2434295, 3894872, 4868590, 7789744, 9737180, 19474360, 38948720]

約数ペア:

[(1, 38948720), (2, 19474360), (4, 9737180), (5, 7789744), (8, 4868590), (10, 3894872), (16, 2434295), (20, 1947436), (40, 973718), (80, 486859), (191, 203920), (382, 101960), (764, 50980), (955, 40784), (1528, 25490), (1910, 20392), (2549, 15280), (3056, 12745), (3820, 10196), (5098, 7640)]