71983760

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2549}}^1$

素因数の和:2915

約数の個数: 40

約数和(自身を含む): 167902200

約数和(自身を除く): 95918440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2549, 2824, 3530, 5098, 5648, 7060, 10196, 12745, 14120, 20392, 25490, 28240, 40784, 50980, 101960, 203920, 899797, 1799594, 3599188, 4498985, 7198376, 8997970, 14396752, 17995940, 35991880, 71983760]

約数ペア:

[(1, 71983760), (2, 35991880), (4, 17995940), (5, 14396752), (8, 8997970), (10, 7198376), (16, 4498985), (20, 3599188), (40, 1799594), (80, 899797), (353, 203920), (706, 101960), (1412, 50980), (1765, 40784), (2549, 28240), (2824, 25490), (3530, 20392), (5098, 14120), (5648, 12745), (7060, 10196)]