40981120

素因数分解:

$2^7\times 5^1\times {\mathrm{64033}}^1$

素因数の和:64052

約数の個数: 32

約数和(自身を含む): 97972020

約数和(自身を除く): 56990900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 64033, 128066, 256132, 320165, 512264, 640330, 1024528, 1280660, 2049056, 2561320, 4098112, 5122640, 8196224, 10245280, 20490560, 40981120]

約数ペア:

[(1, 40981120), (2, 20490560), (4, 10245280), (5, 8196224), (8, 5122640), (10, 4098112), (16, 2561320), (20, 2049056), (32, 1280660), (40, 1024528), (64, 640330), (80, 512264), (128, 320165), (160, 256132), (320, 128066), (640, 64033)]