2139520

素因数分解:

$2^7\times 5^1\times {\mathrm{3343}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 5116320

約数和(自身を除く): 2976800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3343, 6686, 13372, 16715, 26744, 33430, 53488, 66860, 106976, 133720, 213952, 267440, 427904, 534880, 1069760, 2139520]

約数ペア:

[(1, 2139520), (2, 1069760), (4, 534880), (5, 427904), (8, 267440), (10, 213952), (16, 133720), (20, 106976), (32, 66860), (40, 53488), (64, 33430), (80, 26744), (128, 16715), (160, 13372), (320, 6686), (640, 3343)]