64345000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 159839460

約数和(自身を除く): 95494460

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, 757, 850, 1000, 1250, 1514, 1700, 2125, 2500, 3028, 3400, 3785, 4250, 5000, 6056, 7570, 8500, 10625, 12869, 15140, 17000, 18925, 21250, 25738, 30280, 37850, 42500, 51476, 64345, 75700, 85000, 94625, 102952, 128690, 151400, 189250, 257380, 321725, 378500, 473125, 514760, 643450, 757000, 946250, 1286900, 1608625, 1892500, 2573800, 3217250, 3785000, 6434500, 8043125, 12869000, 16086250, 32172500, 64345000]

約数ペア:

[(1, 64345000), (2, 32172500), (4, 16086250), (5, 12869000), (8, 8043125), (10, 6434500), (17, 3785000), (20, 3217250), (25, 2573800), (34, 1892500), (40, 1608625), (50, 1286900), (68, 946250), (85, 757000), (100, 643450), (125, 514760), (136, 473125), (170, 378500), (200, 321725), (250, 257380), (340, 189250), (425, 151400), (500, 128690), (625, 102952), (680, 94625), (757, 85000), (850, 75700), (1000, 64345), (1250, 51476), (1514, 42500), (1700, 37850), (2125, 30280), (2500, 25738), (3028, 21250), (3400, 18925), (3785, 17000), (4250, 15140), (5000, 12869), (6056, 10625), (7570, 8500)]