2563925

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 4166400

約数和(自身を除く): 1602475

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 161, 175, 245, 299, 325, 343, 455, 575, 637, 805, 1127, 1225, 1495, 1715, 2093, 2275, 3185, 4025, 4459, 5635, 7475, 7889, 8575, 10465, 14651, 15925, 22295, 28175, 39445, 52325, 73255, 102557, 111475, 197225, 366275, 512785, 2563925]

約数ペア:

[(1, 2563925), (5, 512785), (7, 366275), (13, 197225), (23, 111475), (25, 102557), (35, 73255), (49, 52325), (65, 39445), (91, 28175), (115, 22295), (161, 15925), (175, 14651), (245, 10465), (299, 8575), (325, 7889), (343, 7475), (455, 5635), (575, 4459), (637, 4025), (805, 3185), (1127, 2275), (1225, 2093), (1495, 1715)]