20005934000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{769459}}^1$

素因数の和:769495

約数の個数: 80

約数和(自身を含む): 52095519840

約数和(自身を除く): 32089585840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 5200, 6500, 13000, 26000, 769459, 1538918, 3077836, 3847295, 6155672, 7694590, 10002967, 12311344, 15389180, 19236475, 20005934, 30778360, 38472950, 40011868, 50014835, 61556720, 76945900, 80023736, 96182375, 100029670, 153891800, 160047472, 192364750, 200059340, 250074175, 307783600, 384729500, 400118680, 500148350, 769459000, 800237360, 1000296700, 1250370875, 1538918000, 2000593400, 2500741750, 4001186800, 5001483500, 10002967000, 20005934000]

約数ペア:

[(1, 20005934000), (2, 10002967000), (4, 5001483500), (5, 4001186800), (8, 2500741750), (10, 2000593400), (13, 1538918000), (16, 1250370875), (20, 1000296700), (25, 800237360), (26, 769459000), (40, 500148350), (50, 400118680), (52, 384729500), (65, 307783600), (80, 250074175), (100, 200059340), (104, 192364750), (125, 160047472), (130, 153891800), (200, 100029670), (208, 96182375), (250, 80023736), (260, 76945900), (325, 61556720), (400, 50014835), (500, 40011868), (520, 38472950), (650, 30778360), (1000, 20005934), (1040, 19236475), (1300, 15389180), (1625, 12311344), (2000, 10002967), (2600, 7694590), (3250, 6155672), (5200, 3847295), (6500, 3077836), (13000, 1538918), (26000, 769459)]