64685000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 160682940

約数和(自身を除く): 95997940

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 625, 680, 761, 850, 1000, 1250, 1522, 1700, 2125, 2500, 3044, 3400, 3805, 4250, 5000, 6088, 7610, 8500, 10625, 12937, 15220, 17000, 19025, 21250, 25874, 30440, 38050, 42500, 51748, 64685, 76100, 85000, 95125, 103496, 129370, 152200, 190250, 258740, 323425, 380500, 475625, 517480, 646850, 761000, 951250, 1293700, 1617125, 1902500, 2587400, 3234250, 3805000, 6468500, 8085625, 12937000, 16171250, 32342500, 64685000]

約数ペア:

[(1, 64685000), (2, 32342500), (4, 16171250), (5, 12937000), (8, 8085625), (10, 6468500), (17, 3805000), (20, 3234250), (25, 2587400), (34, 1902500), (40, 1617125), (50, 1293700), (68, 951250), (85, 761000), (100, 646850), (125, 517480), (136, 475625), (170, 380500), (200, 323425), (250, 258740), (340, 190250), (425, 152200), (500, 129370), (625, 103496), (680, 95125), (761, 85000), (850, 76100), (1000, 64685), (1250, 51748), (1522, 42500), (1700, 38050), (2125, 30440), (2500, 25874), (3044, 21250), (3400, 19025), (3805, 17000), (4250, 15220), (5000, 12937), (6088, 10625), (7610, 8500)]