24700000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 144

約数和(自身を含む): 68901840

約数和(自身を除く): 44201840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 125, 130, 152, 160, 190, 200, 208, 247, 250, 260, 304, 325, 380, 400, 416, 475, 494, 500, 520, 608, 625, 650, 760, 800, 950, 988, 1000, 1040, 1235, 1250, 1300, 1520, 1625, 1900, 1976, 2000, 2080, 2375, 2470, 2500, 2600, 3040, 3125, 3250, 3800, 3952, 4000, 4750, 4940, 5000, 5200, 6175, 6250, 6500, 7600, 7904, 8125, 9500, 9880, 10000, 10400, 11875, 12350, 12500, 13000, 15200, 16250, 19000, 19760, 20000, 23750, 24700, 25000, 26000, 30875, 32500, 38000, 39520, 40625, 47500, 49400, 50000, 52000, 59375, 61750, 65000, 76000, 81250, 95000, 98800, 100000, 118750, 123500, 130000, 154375, 162500, 190000, 197600, 237500, 247000, 260000, 308750, 325000, 380000, 475000, 494000, 617500, 650000, 771875, 950000, 988000, 1235000, 1300000, 1543750, 1900000, 2470000, 3087500, 4940000, 6175000, 12350000, 24700000]

約数ペア:

[(1, 24700000), (2, 12350000), (4, 6175000), (5, 4940000), (8, 3087500), (10, 2470000), (13, 1900000), (16, 1543750), (19, 1300000), (20, 1235000), (25, 988000), (26, 950000), (32, 771875), (38, 650000), (40, 617500), (50, 494000), (52, 475000), (65, 380000), (76, 325000), (80, 308750), (95, 260000), (100, 247000), (104, 237500), (125, 197600), (130, 190000), (152, 162500), (160, 154375), (190, 130000), (200, 123500), (208, 118750), (247, 100000), (250, 98800), (260, 95000), (304, 81250), (325, 76000), (380, 65000), (400, 61750), (416, 59375), (475, 52000), (494, 50000), (500, 49400), (520, 47500), (608, 40625), (625, 39520), (650, 38000), (760, 32500), (800, 30875), (950, 26000), (988, 25000), (1000, 24700), (1040, 23750), (1235, 20000), (1250, 19760), (1300, 19000), (1520, 16250), (1625, 15200), (1900, 13000), (1976, 12500), (2000, 12350), (2080, 11875), (2375, 10400), (2470, 10000), (2500, 9880), (2600, 9500), (3040, 8125), (3125, 7904), (3250, 7600), (3800, 6500), (3952, 6250), (4000, 6175), (4750, 5200), (4940, 5000)]