2008100000

素因数分解:

$2^5\times 5^5\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:545

約数の個数: 144

約数和(自身を含む): 5067238176

約数和(自身を除く): 3059138176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 400, 430, 467, 500, 625, 688, 800, 860, 934, 1000, 1075, 1250, 1376, 1720, 1868, 2000, 2150, 2335, 2500, 3125, 3440, 3736, 4000, 4300, 4670, 5000, 5375, 6250, 6880, 7472, 8600, 9340, 10000, 10750, 11675, 12500, 14944, 17200, 18680, 20000, 20081, 21500, 23350, 25000, 26875, 34400, 37360, 40162, 43000, 46700, 50000, 53750, 58375, 74720, 80324, 86000, 93400, 100000, 100405, 107500, 116750, 134375, 160648, 172000, 186800, 200810, 215000, 233500, 268750, 291875, 321296, 373600, 401620, 430000, 467000, 502025, 537500, 583750, 642592, 803240, 860000, 934000, 1004050, 1075000, 1167500, 1459375, 1606480, 1868000, 2008100, 2150000, 2335000, 2510125, 2918750, 3212960, 4016200, 4300000, 4670000, 5020250, 5837500, 8032400, 9340000, 10040500, 11675000, 12550625, 16064800, 20081000, 23350000, 25101250, 40162000, 46700000, 50202500, 62753125, 80324000, 100405000, 125506250, 200810000, 251012500, 401620000, 502025000, 1004050000, 2008100000]

約数ペア:

[(1, 2008100000), (2, 1004050000), (4, 502025000), (5, 401620000), (8, 251012500), (10, 200810000), (16, 125506250), (20, 100405000), (25, 80324000), (32, 62753125), (40, 50202500), (43, 46700000), (50, 40162000), (80, 25101250), (86, 23350000), (100, 20081000), (125, 16064800), (160, 12550625), (172, 11675000), (200, 10040500), (215, 9340000), (250, 8032400), (344, 5837500), (400, 5020250), (430, 4670000), (467, 4300000), (500, 4016200), (625, 3212960), (688, 2918750), (800, 2510125), (860, 2335000), (934, 2150000), (1000, 2008100), (1075, 1868000), (1250, 1606480), (1376, 1459375), (1720, 1167500), (1868, 1075000), (2000, 1004050), (2150, 934000), (2335, 860000), (2500, 803240), (3125, 642592), (3440, 583750), (3736, 537500), (4000, 502025), (4300, 467000), (4670, 430000), (5000, 401620), (5375, 373600), (6250, 321296), (6880, 291875), (7472, 268750), (8600, 233500), (9340, 215000), (10000, 200810), (10750, 186800), (11675, 172000), (12500, 160648), (14944, 134375), (17200, 116750), (18680, 107500), (20000, 100405), (20081, 100000), (21500, 93400), (23350, 86000), (25000, 80324), (26875, 74720), (34400, 58375), (37360, 53750), (40162, 50000), (43000, 46700)]