12565600

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 31169880

約数和(自身を除く): 18604280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 139, 160, 200, 226, 278, 400, 452, 556, 565, 695, 800, 904, 1112, 1130, 1390, 1808, 2224, 2260, 2780, 2825, 3475, 3616, 4448, 4520, 5560, 5650, 6950, 9040, 11120, 11300, 13900, 15707, 18080, 22240, 22600, 27800, 31414, 45200, 55600, 62828, 78535, 90400, 111200, 125656, 157070, 251312, 314140, 392675, 502624, 628280, 785350, 1256560, 1570700, 2513120, 3141400, 6282800, 12565600]

約数ペア:

[(1, 12565600), (2, 6282800), (4, 3141400), (5, 2513120), (8, 1570700), (10, 1256560), (16, 785350), (20, 628280), (25, 502624), (32, 392675), (40, 314140), (50, 251312), (80, 157070), (100, 125656), (113, 111200), (139, 90400), (160, 78535), (200, 62828), (226, 55600), (278, 45200), (400, 31414), (452, 27800), (556, 22600), (565, 22240), (695, 18080), (800, 15707), (904, 13900), (1112, 11300), (1130, 11120), (1390, 9040), (1808, 6950), (2224, 5650), (2260, 5560), (2780, 4520), (2825, 4448), (3475, 3616)]