19795000

素因数分解:

$2^3\times 5^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 48078360

約数和(自身を除く): 28283360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 107, 125, 148, 185, 200, 214, 250, 296, 370, 428, 500, 535, 625, 740, 856, 925, 1000, 1070, 1250, 1480, 1850, 2140, 2500, 2675, 3700, 3959, 4280, 4625, 5000, 5350, 7400, 7918, 9250, 10700, 13375, 15836, 18500, 19795, 21400, 23125, 26750, 31672, 37000, 39590, 46250, 53500, 66875, 79180, 92500, 98975, 107000, 133750, 158360, 185000, 197950, 267500, 395900, 494875, 535000, 791800, 989750, 1979500, 2474375, 3959000, 4948750, 9897500, 19795000]

約数ペア:

[(1, 19795000), (2, 9897500), (4, 4948750), (5, 3959000), (8, 2474375), (10, 1979500), (20, 989750), (25, 791800), (37, 535000), (40, 494875), (50, 395900), (74, 267500), (100, 197950), (107, 185000), (125, 158360), (148, 133750), (185, 107000), (200, 98975), (214, 92500), (250, 79180), (296, 66875), (370, 53500), (428, 46250), (500, 39590), (535, 37000), (625, 31672), (740, 26750), (856, 23125), (925, 21400), (1000, 19795), (1070, 18500), (1250, 15836), (1480, 13375), (1850, 10700), (2140, 9250), (2500, 7918), (2675, 7400), (3700, 5350), (3959, 5000), (4280, 4625)]