12644000

素因数分解:

$2^5\times 5^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 32432400

約数和(自身を除く): 19788400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 109, 116, 125, 145, 160, 200, 218, 232, 250, 290, 400, 436, 464, 500, 545, 580, 725, 800, 872, 928, 1000, 1090, 1160, 1450, 1744, 2000, 2180, 2320, 2725, 2900, 3161, 3488, 3625, 4000, 4360, 4640, 5450, 5800, 6322, 7250, 8720, 10900, 11600, 12644, 13625, 14500, 15805, 17440, 21800, 23200, 25288, 27250, 29000, 31610, 43600, 50576, 54500, 58000, 63220, 79025, 87200, 101152, 109000, 116000, 126440, 158050, 218000, 252880, 316100, 395125, 436000, 505760, 632200, 790250, 1264400, 1580500, 2528800, 3161000, 6322000, 12644000]

約数ペア:

[(1, 12644000), (2, 6322000), (4, 3161000), (5, 2528800), (8, 1580500), (10, 1264400), (16, 790250), (20, 632200), (25, 505760), (29, 436000), (32, 395125), (40, 316100), (50, 252880), (58, 218000), (80, 158050), (100, 126440), (109, 116000), (116, 109000), (125, 101152), (145, 87200), (160, 79025), (200, 63220), (218, 58000), (232, 54500), (250, 50576), (290, 43600), (400, 31610), (436, 29000), (464, 27250), (500, 25288), (545, 23200), (580, 21800), (725, 17440), (800, 15805), (872, 14500), (928, 13625), (1000, 12644), (1090, 11600), (1160, 10900), (1450, 8720), (1744, 7250), (2000, 6322), (2180, 5800), (2320, 5450), (2725, 4640), (2900, 4360), (3161, 4000), (3488, 3625)]