16900000

素因数分解:

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

素因数の和:61

約数の個数: 108

約数和(自身を含む): 45032274

約数和(自身を除く): 28132274

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 169, 200, 208, 250, 260, 325, 338, 400, 416, 500, 520, 625, 650, 676, 800, 845, 1000, 1040, 1250, 1300, 1352, 1625, 1690, 2000, 2080, 2500, 2600, 2704, 3125, 3250, 3380, 4000, 4225, 5000, 5200, 5408, 6250, 6500, 6760, 8125, 8450, 10000, 10400, 12500, 13000, 13520, 16250, 16900, 20000, 21125, 25000, 26000, 27040, 32500, 33800, 40625, 42250, 50000, 52000, 65000, 67600, 81250, 84500, 100000, 105625, 130000, 135200, 162500, 169000, 211250, 260000, 325000, 338000, 422500, 528125, 650000, 676000, 845000, 1056250, 1300000, 1690000, 2112500, 3380000, 4225000, 8450000, 16900000]

約数ペア:

[(1, 16900000), (2, 8450000), (4, 4225000), (5, 3380000), (8, 2112500), (10, 1690000), (13, 1300000), (16, 1056250), (20, 845000), (25, 676000), (26, 650000), (32, 528125), (40, 422500), (50, 338000), (52, 325000), (65, 260000), (80, 211250), (100, 169000), (104, 162500), (125, 135200), (130, 130000), (160, 105625), (169, 100000), (200, 84500), (208, 81250), (250, 67600), (260, 65000), (325, 52000), (338, 50000), (400, 42250), (416, 40625), (500, 33800), (520, 32500), (625, 27040), (650, 26000), (676, 25000), (800, 21125), (845, 20000), (1000, 16900), (1040, 16250), (1250, 13520), (1300, 13000), (1352, 12500), (1625, 10400), (1690, 10000), (2000, 8450), (2080, 8125), (2500, 6760), (2600, 6500), (2704, 6250), (3125, 5408), (3250, 5200), (3380, 5000), (4000, 4225)]