23180000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 120

約数和(自身を含む): 61011720

約数和(自身を除く): 37831720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 61, 76, 80, 95, 100, 122, 125, 152, 160, 190, 200, 244, 250, 304, 305, 380, 400, 475, 488, 500, 608, 610, 625, 760, 800, 950, 976, 1000, 1159, 1220, 1250, 1520, 1525, 1900, 1952, 2000, 2318, 2375, 2440, 2500, 3040, 3050, 3800, 4000, 4636, 4750, 4880, 5000, 5795, 6100, 7600, 7625, 9272, 9500, 9760, 10000, 11590, 11875, 12200, 15200, 15250, 18544, 19000, 20000, 23180, 23750, 24400, 28975, 30500, 37088, 38000, 38125, 46360, 47500, 48800, 57950, 61000, 76000, 76250, 92720, 95000, 115900, 122000, 144875, 152500, 185440, 190000, 231800, 244000, 289750, 305000, 380000, 463600, 579500, 610000, 724375, 927200, 1159000, 1220000, 1448750, 2318000, 2897500, 4636000, 5795000, 11590000, 23180000]

約数ペア:

[(1, 23180000), (2, 11590000), (4, 5795000), (5, 4636000), (8, 2897500), (10, 2318000), (16, 1448750), (19, 1220000), (20, 1159000), (25, 927200), (32, 724375), (38, 610000), (40, 579500), (50, 463600), (61, 380000), (76, 305000), (80, 289750), (95, 244000), (100, 231800), (122, 190000), (125, 185440), (152, 152500), (160, 144875), (190, 122000), (200, 115900), (244, 95000), (250, 92720), (304, 76250), (305, 76000), (380, 61000), (400, 57950), (475, 48800), (488, 47500), (500, 46360), (608, 38125), (610, 38000), (625, 37088), (760, 30500), (800, 28975), (950, 24400), (976, 23750), (1000, 23180), (1159, 20000), (1220, 19000), (1250, 18544), (1520, 15250), (1525, 15200), (1900, 12200), (1952, 11875), (2000, 11590), (2318, 10000), (2375, 9760), (2440, 9500), (2500, 9272), (3040, 7625), (3050, 7600), (3800, 6100), (4000, 5795), (4636, 5000), (4750, 4880)]