25223380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13859}}^1$

素因数の和:13888

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 39974060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13859, 27718, 55436, 69295, 97013, 138590, 180167, 194026, 277180, 360334, 388052, 485065, 720668, 900835, 970130, 1261169, 1801670, 1940260, 2522338, 3603340, 5044676, 6305845, 12611690, 25223380]

約数ペア:

[(1, 25223380), (2, 12611690), (4, 6305845), (5, 5044676), (7, 3603340), (10, 2522338), (13, 1940260), (14, 1801670), (20, 1261169), (26, 970130), (28, 900835), (35, 720668), (52, 485065), (65, 388052), (70, 360334), (91, 277180), (130, 194026), (140, 180167), (182, 138590), (260, 97013), (364, 69295), (455, 55436), (910, 27718), (1820, 13859)]