25579390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 50131872

約数和(自身を除く): 24552482

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 167, 170, 265, 289, 334, 530, 578, 835, 901, 1445, 1670, 1802, 2839, 2890, 4505, 5678, 8851, 9010, 14195, 15317, 17702, 28390, 30634, 44255, 48263, 76585, 88510, 96526, 150467, 153170, 241315, 300934, 482630, 752335, 1504670, 2557939, 5115878, 12789695, 25579390]

約数ペア:

[(1, 25579390), (2, 12789695), (5, 5115878), (10, 2557939), (17, 1504670), (34, 752335), (53, 482630), (85, 300934), (106, 241315), (167, 153170), (170, 150467), (265, 96526), (289, 88510), (334, 76585), (530, 48263), (578, 44255), (835, 30634), (901, 28390), (1445, 17702), (1670, 15317), (1802, 14195), (2839, 9010), (2890, 8851), (4505, 5678)]