16721497000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1286269}}^1$

素因数の和:1286303

約数の個数: 64

約数和(自身を含む): 42138205200

約数和(自身を除く): 25416708200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 1286269, 2572538, 5145076, 6431345, 10290152, 12862690, 16721497, 25725380, 32156725, 33442994, 51450760, 64313450, 66885988, 83607485, 128626900, 133771976, 160783625, 167214970, 257253800, 321567250, 334429940, 418037425, 643134500, 668859880, 836074850, 1286269000, 1672149700, 2090187125, 3344299400, 4180374250, 8360748500, 16721497000]

約数ペア:

[(1, 16721497000), (2, 8360748500), (4, 4180374250), (5, 3344299400), (8, 2090187125), (10, 1672149700), (13, 1286269000), (20, 836074850), (25, 668859880), (26, 643134500), (40, 418037425), (50, 334429940), (52, 321567250), (65, 257253800), (100, 167214970), (104, 160783625), (125, 133771976), (130, 128626900), (200, 83607485), (250, 66885988), (260, 64313450), (325, 51450760), (500, 33442994), (520, 32156725), (650, 25725380), (1000, 16721497), (1300, 12862690), (1625, 10290152), (2600, 6431345), (3250, 5145076), (6500, 2572538), (13000, 1286269)]