1311050000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2063

約数の個数: 120

約数和(自身を含む): 3420921672

約数和(自身を除く): 2109871672

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, 625, 650, 1000, 1040, 1250, 1300, 1625, 2000, 2017, 2500, 2600, 3125, 3250, 4034, 5000, 5200, 6250, 6500, 8068, 8125, 10000, 10085, 12500, 13000, 16136, 16250, 20170, 25000, 26000, 26221, 32272, 32500, 40340, 40625, 50000, 50425, 52442, 65000, 80680, 81250, 100850, 104884, 130000, 131105, 161360, 162500, 201700, 209768, 252125, 262210, 325000, 403400, 419536, 504250, 524420, 650000, 655525, 806800, 1008500, 1048840, 1260625, 1311050, 2017000, 2097680, 2521250, 2622100, 3277625, 4034000, 5042500, 5244200, 6303125, 6555250, 10085000, 10488400, 12606250, 13110500, 16388125, 20170000, 25212500, 26221000, 32776250, 50425000, 52442000, 65552500, 81940625, 100850000, 131105000, 163881250, 262210000, 327762500, 655525000, 1311050000]

約数ペア:

[(1, 1311050000), (2, 655525000), (4, 327762500), (5, 262210000), (8, 163881250), (10, 131105000), (13, 100850000), (16, 81940625), (20, 65552500), (25, 52442000), (26, 50425000), (40, 32776250), (50, 26221000), (52, 25212500), (65, 20170000), (80, 16388125), (100, 13110500), (104, 12606250), (125, 10488400), (130, 10085000), (200, 6555250), (208, 6303125), (250, 5244200), (260, 5042500), (325, 4034000), (400, 3277625), (500, 2622100), (520, 2521250), (625, 2097680), (650, 2017000), (1000, 1311050), (1040, 1260625), (1250, 1048840), (1300, 1008500), (1625, 806800), (2000, 655525), (2017, 650000), (2500, 524420), (2600, 504250), (3125, 419536), (3250, 403400), (4034, 325000), (5000, 262210), (5200, 252125), (6250, 209768), (6500, 201700), (8068, 162500), (8125, 161360), (10000, 131105), (10085, 130000), (12500, 104884), (13000, 100850), (16136, 81250), (16250, 80680), (20170, 65000), (25000, 52442), (26000, 50425), (26221, 50000), (32272, 40625), (32500, 40340)]