31248640

素因数分解:

$2^8\times 5^1\times {\mathrm{24413}}^1$

素因数の和:24434

約数の個数: 36

約数和(自身を含む): 74853324

約数和(自身を除く): 43604684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24413, 48826, 97652, 122065, 195304, 244130, 390608, 488260, 781216, 976520, 1562432, 1953040, 3124864, 3906080, 6249728, 7812160, 15624320, 31248640]

約数ペア:

[(1, 31248640), (2, 15624320), (4, 7812160), (5, 6249728), (8, 3906080), (10, 3124864), (16, 1953040), (20, 1562432), (32, 976520), (40, 781216), (64, 488260), (80, 390608), (128, 244130), (160, 195304), (256, 122065), (320, 97652), (640, 48826), (1280, 24413)]