82788280

素因数分解:

$2^3\times 5^1\times {\mathrm{2069707}}^1$

素因数の和:2069718

約数の個数: 16

約数和(自身を含む): 186273720

約数和(自身を除く): 103485440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2069707, 4139414, 8278828, 10348535, 16557656, 20697070, 41394140, 82788280]

約数ペア:

[(1, 82788280), (2, 41394140), (4, 20697070), (5, 16557656), (8, 10348535), (10, 8278828), (20, 4139414), (40, 2069707)]