8131000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 19543680

約数和(自身を除く): 11412680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 173, 188, 200, 235, 250, 346, 376, 470, 500, 692, 865, 940, 1000, 1175, 1384, 1730, 1880, 2350, 3460, 4325, 4700, 5875, 6920, 8131, 8650, 9400, 11750, 16262, 17300, 21625, 23500, 32524, 34600, 40655, 43250, 47000, 65048, 81310, 86500, 162620, 173000, 203275, 325240, 406550, 813100, 1016375, 1626200, 2032750, 4065500, 8131000]

約数ペア:

[(1, 8131000), (2, 4065500), (4, 2032750), (5, 1626200), (8, 1016375), (10, 813100), (20, 406550), (25, 325240), (40, 203275), (47, 173000), (50, 162620), (94, 86500), (100, 81310), (125, 65048), (173, 47000), (188, 43250), (200, 40655), (235, 34600), (250, 32524), (346, 23500), (376, 21625), (470, 17300), (500, 16262), (692, 11750), (865, 9400), (940, 8650), (1000, 8131), (1175, 6920), (1384, 5875), (1730, 4700), (1880, 4325), (2350, 3460)]