16340000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 120

約数和(自身を含む): 43298640

約数和(自身を除く): 26958640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 76, 80, 86, 95, 100, 125, 152, 160, 172, 190, 200, 215, 250, 304, 344, 380, 400, 430, 475, 500, 608, 625, 688, 760, 800, 817, 860, 950, 1000, 1075, 1250, 1376, 1520, 1634, 1720, 1900, 2000, 2150, 2375, 2500, 3040, 3268, 3440, 3800, 4000, 4085, 4300, 4750, 5000, 5375, 6536, 6880, 7600, 8170, 8600, 9500, 10000, 10750, 11875, 13072, 15200, 16340, 17200, 19000, 20000, 20425, 21500, 23750, 26144, 26875, 32680, 34400, 38000, 40850, 43000, 47500, 53750, 65360, 76000, 81700, 86000, 95000, 102125, 107500, 130720, 163400, 172000, 190000, 204250, 215000, 326800, 380000, 408500, 430000, 510625, 653600, 817000, 860000, 1021250, 1634000, 2042500, 3268000, 4085000, 8170000, 16340000]

約数ペア:

[(1, 16340000), (2, 8170000), (4, 4085000), (5, 3268000), (8, 2042500), (10, 1634000), (16, 1021250), (19, 860000), (20, 817000), (25, 653600), (32, 510625), (38, 430000), (40, 408500), (43, 380000), (50, 326800), (76, 215000), (80, 204250), (86, 190000), (95, 172000), (100, 163400), (125, 130720), (152, 107500), (160, 102125), (172, 95000), (190, 86000), (200, 81700), (215, 76000), (250, 65360), (304, 53750), (344, 47500), (380, 43000), (400, 40850), (430, 38000), (475, 34400), (500, 32680), (608, 26875), (625, 26144), (688, 23750), (760, 21500), (800, 20425), (817, 20000), (860, 19000), (950, 17200), (1000, 16340), (1075, 15200), (1250, 13072), (1376, 11875), (1520, 10750), (1634, 10000), (1720, 9500), (1900, 8600), (2000, 8170), (2150, 7600), (2375, 6880), (2500, 6536), (3040, 5375), (3268, 5000), (3440, 4750), (3800, 4300), (4000, 4085)]