42065000

素因数分解:

$2^3\times 5^4\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 101217600

約数和(自身を除く): 59152600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 179, 188, 200, 235, 250, 358, 376, 470, 500, 625, 716, 895, 940, 1000, 1175, 1250, 1432, 1790, 1880, 2350, 2500, 3580, 4475, 4700, 5000, 5875, 7160, 8413, 8950, 9400, 11750, 16826, 17900, 22375, 23500, 29375, 33652, 35800, 42065, 44750, 47000, 58750, 67304, 84130, 89500, 111875, 117500, 168260, 179000, 210325, 223750, 235000, 336520, 420650, 447500, 841300, 895000, 1051625, 1682600, 2103250, 4206500, 5258125, 8413000, 10516250, 21032500, 42065000]

約数ペア:

[(1, 42065000), (2, 21032500), (4, 10516250), (5, 8413000), (8, 5258125), (10, 4206500), (20, 2103250), (25, 1682600), (40, 1051625), (47, 895000), (50, 841300), (94, 447500), (100, 420650), (125, 336520), (179, 235000), (188, 223750), (200, 210325), (235, 179000), (250, 168260), (358, 117500), (376, 111875), (470, 89500), (500, 84130), (625, 67304), (716, 58750), (895, 47000), (940, 44750), (1000, 42065), (1175, 35800), (1250, 33652), (1432, 29375), (1790, 23500), (1880, 22375), (2350, 17900), (2500, 16826), (3580, 11750), (4475, 9400), (4700, 8950), (5000, 8413), (5875, 7160)]