15712000

素因数分解:

$2^8\times 5^3\times {\mathrm{491}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 39220272

約数和(自身を除く): 23508272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 491, 500, 640, 800, 982, 1000, 1280, 1600, 1964, 2000, 2455, 3200, 3928, 4000, 4910, 6400, 7856, 8000, 9820, 12275, 15712, 16000, 19640, 24550, 31424, 32000, 39280, 49100, 61375, 62848, 78560, 98200, 122750, 125696, 157120, 196400, 245500, 314240, 392800, 491000, 628480, 785600, 982000, 1571200, 1964000, 3142400, 3928000, 7856000, 15712000]

約数ペア:

[(1, 15712000), (2, 7856000), (4, 3928000), (5, 3142400), (8, 1964000), (10, 1571200), (16, 982000), (20, 785600), (25, 628480), (32, 491000), (40, 392800), (50, 314240), (64, 245500), (80, 196400), (100, 157120), (125, 125696), (128, 122750), (160, 98200), (200, 78560), (250, 62848), (256, 61375), (320, 49100), (400, 39280), (491, 32000), (500, 31424), (640, 24550), (800, 19640), (982, 16000), (1000, 15712), (1280, 12275), (1600, 9820), (1964, 8000), (2000, 7856), (2455, 6400), (3200, 4910), (3928, 4000)]