20085000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 68228160

約数和(自身を除く): 48143160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 103, 104, 120, 125, 130, 150, 156, 195, 200, 206, 250, 260, 300, 309, 312, 325, 375, 390, 412, 500, 515, 520, 600, 618, 625, 650, 750, 780, 824, 975, 1000, 1030, 1236, 1250, 1300, 1339, 1500, 1545, 1560, 1625, 1875, 1950, 2060, 2472, 2500, 2575, 2600, 2678, 3000, 3090, 3250, 3750, 3900, 4017, 4120, 4875, 5000, 5150, 5356, 6180, 6500, 6695, 7500, 7725, 7800, 8034, 8125, 9750, 10300, 10712, 12360, 12875, 13000, 13390, 15000, 15450, 16068, 16250, 19500, 20085, 20600, 24375, 25750, 26780, 30900, 32136, 32500, 33475, 38625, 39000, 40170, 48750, 51500, 53560, 61800, 64375, 65000, 66950, 77250, 80340, 97500, 100425, 103000, 128750, 133900, 154500, 160680, 167375, 193125, 195000, 200850, 257500, 267800, 309000, 334750, 386250, 401700, 502125, 515000, 669500, 772500, 803400, 836875, 1004250, 1339000, 1545000, 1673750, 2008500, 2510625, 3347500, 4017000, 5021250, 6695000, 10042500, 20085000]

約数ペア:

[(1, 20085000), (2, 10042500), (3, 6695000), (4, 5021250), (5, 4017000), (6, 3347500), (8, 2510625), (10, 2008500), (12, 1673750), (13, 1545000), (15, 1339000), (20, 1004250), (24, 836875), (25, 803400), (26, 772500), (30, 669500), (39, 515000), (40, 502125), (50, 401700), (52, 386250), (60, 334750), (65, 309000), (75, 267800), (78, 257500), (100, 200850), (103, 195000), (104, 193125), (120, 167375), (125, 160680), (130, 154500), (150, 133900), (156, 128750), (195, 103000), (200, 100425), (206, 97500), (250, 80340), (260, 77250), (300, 66950), (309, 65000), (312, 64375), (325, 61800), (375, 53560), (390, 51500), (412, 48750), (500, 40170), (515, 39000), (520, 38625), (600, 33475), (618, 32500), (625, 32136), (650, 30900), (750, 26780), (780, 25750), (824, 24375), (975, 20600), (1000, 20085), (1030, 19500), (1236, 16250), (1250, 16068), (1300, 15450), (1339, 15000), (1500, 13390), (1545, 13000), (1560, 12875), (1625, 12360), (1875, 10712), (1950, 10300), (2060, 9750), (2472, 8125), (2500, 8034), (2575, 7800), (2600, 7725), (2678, 7500), (3000, 6695), (3090, 6500), (3250, 6180), (3750, 5356), (3900, 5150), (4017, 5000), (4120, 4875)]