8981120

素因数分解:

$2^7\times 5^1\times {\mathrm{14033}}^1$

素因数の和:14052

約数の個数: 32

約数和(自身を含む): 21472020

約数和(自身を除く): 12490900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 14033, 28066, 56132, 70165, 112264, 140330, 224528, 280660, 449056, 561320, 898112, 1122640, 1796224, 2245280, 4490560, 8981120]

約数ペア:

[(1, 8981120), (2, 4490560), (4, 2245280), (5, 1796224), (8, 1122640), (10, 898112), (16, 561320), (20, 449056), (32, 280660), (40, 224528), (64, 140330), (80, 112264), (128, 70165), (160, 56132), (320, 28066), (640, 14033)]