87916280

素因数分解:

$2^3\times 5^1\times {\mathrm{2197907}}^1$

素因数の和:2197918

約数の個数: 16

約数和(自身を含む): 197811720

約数和(自身を除く): 109895440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2197907, 4395814, 8791628, 10989535, 17583256, 21979070, 43958140, 87916280]

約数ペア:

[(1, 87916280), (2, 43958140), (4, 21979070), (5, 17583256), (8, 10989535), (10, 8791628), (20, 4395814), (40, 2197907)]