5027840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{491}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 12088440

約数和(自身を除く): 7060600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 491, 512, 640, 982, 1024, 1280, 1964, 2048, 2455, 2560, 3928, 4910, 5120, 7856, 9820, 10240, 15712, 19640, 31424, 39280, 62848, 78560, 125696, 157120, 251392, 314240, 502784, 628480, 1005568, 1256960, 2513920, 5027840]

約数ペア:

[(1, 5027840), (2, 2513920), (4, 1256960), (5, 1005568), (8, 628480), (10, 502784), (16, 314240), (20, 251392), (32, 157120), (40, 125696), (64, 78560), (80, 62848), (128, 39280), (160, 31424), (256, 19640), (320, 15712), (491, 10240), (512, 9820), (640, 7856), (982, 5120), (1024, 4910), (1280, 3928), (1964, 2560), (2048, 2455)]