25599620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 59002944

約数和(自身を除く): 33403324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 103, 170, 172, 206, 215, 289, 340, 412, 430, 515, 578, 731, 860, 1030, 1156, 1445, 1462, 1751, 2060, 2890, 2924, 3502, 3655, 4429, 5780, 7004, 7310, 8755, 8858, 12427, 14620, 17510, 17716, 22145, 24854, 29767, 35020, 44290, 49708, 59534, 62135, 75293, 88580, 119068, 124270, 148835, 150586, 248540, 297670, 301172, 376465, 595340, 752930, 1279981, 1505860, 2559962, 5119924, 6399905, 12799810, 25599620]

約数ペア:

[(1, 25599620), (2, 12799810), (4, 6399905), (5, 5119924), (10, 2559962), (17, 1505860), (20, 1279981), (34, 752930), (43, 595340), (68, 376465), (85, 301172), (86, 297670), (103, 248540), (170, 150586), (172, 148835), (206, 124270), (215, 119068), (289, 88580), (340, 75293), (412, 62135), (430, 59534), (515, 49708), (578, 44290), (731, 35020), (860, 29767), (1030, 24854), (1156, 22145), (1445, 17716), (1462, 17510), (1751, 14620), (2060, 12427), (2890, 8858), (2924, 8755), (3502, 7310), (3655, 7004), (4429, 5780)]