66950000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 176301216

約数和(自身を除く): 109351216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 103, 104, 125, 130, 200, 206, 208, 250, 260, 325, 400, 412, 500, 515, 520, 625, 650, 824, 1000, 1030, 1040, 1250, 1300, 1339, 1625, 1648, 2000, 2060, 2500, 2575, 2600, 2678, 3125, 3250, 4120, 5000, 5150, 5200, 5356, 6250, 6500, 6695, 8125, 8240, 10000, 10300, 10712, 12500, 12875, 13000, 13390, 16250, 20600, 21424, 25000, 25750, 26000, 26780, 32500, 33475, 40625, 41200, 50000, 51500, 53560, 64375, 65000, 66950, 81250, 103000, 107120, 128750, 130000, 133900, 162500, 167375, 206000, 257500, 267800, 321875, 325000, 334750, 515000, 535600, 643750, 650000, 669500, 836875, 1030000, 1287500, 1339000, 1673750, 2575000, 2678000, 3347500, 4184375, 5150000, 6695000, 8368750, 13390000, 16737500, 33475000, 66950000]

約数ペア:

[(1, 66950000), (2, 33475000), (4, 16737500), (5, 13390000), (8, 8368750), (10, 6695000), (13, 5150000), (16, 4184375), (20, 3347500), (25, 2678000), (26, 2575000), (40, 1673750), (50, 1339000), (52, 1287500), (65, 1030000), (80, 836875), (100, 669500), (103, 650000), (104, 643750), (125, 535600), (130, 515000), (200, 334750), (206, 325000), (208, 321875), (250, 267800), (260, 257500), (325, 206000), (400, 167375), (412, 162500), (500, 133900), (515, 130000), (520, 128750), (625, 107120), (650, 103000), (824, 81250), (1000, 66950), (1030, 65000), (1040, 64375), (1250, 53560), (1300, 51500), (1339, 50000), (1625, 41200), (1648, 40625), (2000, 33475), (2060, 32500), (2500, 26780), (2575, 26000), (2600, 25750), (2678, 25000), (3125, 21424), (3250, 20600), (4120, 16250), (5000, 13390), (5150, 13000), (5200, 12875), (5356, 12500), (6250, 10712), (6500, 10300), (6695, 10000), (8125, 8240)]