66500000

素因数分解:

$2^5\times 5^6\times 7^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 168

約数和(自身を含む): 196872480

約数和(自身を除く): 130372480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 160, 175, 190, 200, 224, 250, 266, 280, 304, 350, 380, 400, 475, 500, 532, 560, 608, 625, 665, 700, 760, 800, 875, 950, 1000, 1064, 1120, 1250, 1330, 1400, 1520, 1750, 1900, 2000, 2128, 2375, 2500, 2660, 2800, 3040, 3125, 3325, 3500, 3800, 4000, 4256, 4375, 4750, 5000, 5320, 5600, 6250, 6650, 7000, 7600, 8750, 9500, 10000, 10640, 11875, 12500, 13300, 14000, 15200, 15625, 16625, 17500, 19000, 20000, 21280, 21875, 23750, 25000, 26600, 28000, 31250, 33250, 35000, 38000, 43750, 47500, 50000, 53200, 59375, 62500, 66500, 70000, 76000, 83125, 87500, 95000, 100000, 106400, 109375, 118750, 125000, 133000, 140000, 166250, 175000, 190000, 218750, 237500, 250000, 266000, 296875, 332500, 350000, 380000, 415625, 437500, 475000, 500000, 532000, 593750, 665000, 700000, 831250, 875000, 950000, 1187500, 1330000, 1662500, 1750000, 1900000, 2078125, 2375000, 2660000, 3325000, 3500000, 4156250, 4750000, 6650000, 8312500, 9500000, 13300000, 16625000, 33250000, 66500000]

約数ペア:

[(1, 66500000), (2, 33250000), (4, 16625000), (5, 13300000), (7, 9500000), (8, 8312500), (10, 6650000), (14, 4750000), (16, 4156250), (19, 3500000), (20, 3325000), (25, 2660000), (28, 2375000), (32, 2078125), (35, 1900000), (38, 1750000), (40, 1662500), (50, 1330000), (56, 1187500), (70, 950000), (76, 875000), (80, 831250), (95, 700000), (100, 665000), (112, 593750), (125, 532000), (133, 500000), (140, 475000), (152, 437500), (160, 415625), (175, 380000), (190, 350000), (200, 332500), (224, 296875), (250, 266000), (266, 250000), (280, 237500), (304, 218750), (350, 190000), (380, 175000), (400, 166250), (475, 140000), (500, 133000), (532, 125000), (560, 118750), (608, 109375), (625, 106400), (665, 100000), (700, 95000), (760, 87500), (800, 83125), (875, 76000), (950, 70000), (1000, 66500), (1064, 62500), (1120, 59375), (1250, 53200), (1330, 50000), (1400, 47500), (1520, 43750), (1750, 38000), (1900, 35000), (2000, 33250), (2128, 31250), (2375, 28000), (2500, 26600), (2660, 25000), (2800, 23750), (3040, 21875), (3125, 21280), (3325, 20000), (3500, 19000), (3800, 17500), (4000, 16625), (4256, 15625), (4375, 15200), (4750, 14000), (5000, 13300), (5320, 12500), (5600, 11875), (6250, 10640), (6650, 10000), (7000, 9500), (7600, 8750)]