13300000

素因数分解:

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

素因数の和:61

約数の個数: 144

約数和(自身を含む): 39372480

約数和(自身を除く): 26072480

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, 16625, 17500, 19000, 20000, 21280, 21875, 23750, 25000, 26600, 28000, 33250, 35000, 38000, 43750, 47500, 50000, 53200, 59375, 66500, 70000, 76000, 83125, 87500, 95000, 100000, 106400, 118750, 133000, 140000, 166250, 175000, 190000, 237500, 266000, 332500, 350000, 380000, 415625, 475000, 532000, 665000, 700000, 831250, 950000, 1330000, 1662500, 1900000, 2660000, 3325000, 6650000, 13300000]

約数ペア:

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