31630240

素因数分解:

$2^5\times 5^1\times {\mathrm{197689}}^1$

素因数の和:197704

約数の個数: 24

約数和(自身を含む): 74726820

約数和(自身を除く): 43096580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197689, 395378, 790756, 988445, 1581512, 1976890, 3163024, 3953780, 6326048, 7907560, 15815120, 31630240]

約数ペア:

[(1, 31630240), (2, 15815120), (4, 7907560), (5, 6326048), (8, 3953780), (10, 3163024), (16, 1976890), (20, 1581512), (32, 988445), (40, 790756), (80, 395378), (160, 197689)]