39923975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 65308320

約数和(自身を除く): 25384345

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 109, 115, 161, 175, 245, 299, 325, 455, 545, 575, 637, 763, 805, 1127, 1225, 1417, 1495, 2093, 2275, 2507, 2725, 3185, 3815, 4025, 5341, 5635, 7085, 7475, 9919, 10465, 12535, 14651, 15925, 17549, 19075, 26705, 28175, 32591, 35425, 49595, 52325, 62675, 69433, 73255, 87745, 122843, 133525, 162955, 228137, 247975, 347165, 366275, 438725, 614215, 814775, 1140685, 1596959, 1735825, 3071075, 5703425, 7984795, 39923975]

約数ペア:

[(1, 39923975), (5, 7984795), (7, 5703425), (13, 3071075), (23, 1735825), (25, 1596959), (35, 1140685), (49, 814775), (65, 614215), (91, 438725), (109, 366275), (115, 347165), (161, 247975), (175, 228137), (245, 162955), (299, 133525), (325, 122843), (455, 87745), (545, 73255), (575, 69433), (637, 62675), (763, 52325), (805, 49595), (1127, 35425), (1225, 32591), (1417, 28175), (1495, 26705), (2093, 19075), (2275, 17549), (2507, 15925), (2725, 14651), (3185, 12535), (3815, 10465), (4025, 9919), (5341, 7475), (5635, 7085)]