25631200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 74995200

約数和(自身を除く): 49364000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 199, 200, 224, 230, 280, 322, 350, 368, 398, 400, 460, 560, 575, 644, 700, 736, 796, 800, 805, 920, 995, 1120, 1150, 1288, 1393, 1400, 1592, 1610, 1840, 1990, 2300, 2576, 2786, 2800, 3184, 3220, 3680, 3980, 4025, 4577, 4600, 4975, 5152, 5572, 5600, 6368, 6440, 6965, 7960, 8050, 9154, 9200, 9950, 11144, 12880, 13930, 15920, 16100, 18308, 18400, 19900, 22288, 22885, 25760, 27860, 31840, 32039, 32200, 34825, 36616, 39800, 44576, 45770, 55720, 64078, 64400, 69650, 73232, 79600, 91540, 111440, 114425, 128156, 128800, 139300, 146464, 159200, 160195, 183080, 222880, 228850, 256312, 278600, 320390, 366160, 457700, 512624, 557200, 640780, 732320, 800975, 915400, 1025248, 1114400, 1281560, 1601950, 1830800, 2563120, 3203900, 3661600, 5126240, 6407800, 12815600, 25631200]

約数ペア:

[(1, 25631200), (2, 12815600), (4, 6407800), (5, 5126240), (7, 3661600), (8, 3203900), (10, 2563120), (14, 1830800), (16, 1601950), (20, 1281560), (23, 1114400), (25, 1025248), (28, 915400), (32, 800975), (35, 732320), (40, 640780), (46, 557200), (50, 512624), (56, 457700), (70, 366160), (80, 320390), (92, 278600), (100, 256312), (112, 228850), (115, 222880), (140, 183080), (160, 160195), (161, 159200), (175, 146464), (184, 139300), (199, 128800), (200, 128156), (224, 114425), (230, 111440), (280, 91540), (322, 79600), (350, 73232), (368, 69650), (398, 64400), (400, 64078), (460, 55720), (560, 45770), (575, 44576), (644, 39800), (700, 36616), (736, 34825), (796, 32200), (800, 32039), (805, 31840), (920, 27860), (995, 25760), (1120, 22885), (1150, 22288), (1288, 19900), (1393, 18400), (1400, 18308), (1592, 16100), (1610, 15920), (1840, 13930), (1990, 12880), (2300, 11144), (2576, 9950), (2786, 9200), (2800, 9154), (3184, 8050), (3220, 7960), (3680, 6965), (3980, 6440), (4025, 6368), (4577, 5600), (4600, 5572), (4975, 5152)]