127390000

素因数分解:

$2^4\times 5^4\times {\mathrm{12739}}^1$

素因数の和:12767

約数の個数: 50

約数和(自身を含む): 308448140

約数和(自身を除く): 181058140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 12739, 25478, 50956, 63695, 101912, 127390, 203824, 254780, 318475, 509560, 636950, 1019120, 1273900, 1592375, 2547800, 3184750, 5095600, 6369500, 7961875, 12739000, 15923750, 25478000, 31847500, 63695000, 127390000]

約数ペア:

[(1, 127390000), (2, 63695000), (4, 31847500), (5, 25478000), (8, 15923750), (10, 12739000), (16, 7961875), (20, 6369500), (25, 5095600), (40, 3184750), (50, 2547800), (80, 1592375), (100, 1273900), (125, 1019120), (200, 636950), (250, 509560), (400, 318475), (500, 254780), (625, 203824), (1000, 127390), (1250, 101912), (2000, 63695), (2500, 50956), (5000, 25478), (10000, 12739)]