8045720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2833}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 18364320

約数和(自身を除く): 10318600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2833, 2840, 5666, 11332, 14165, 22664, 28330, 56660, 113320, 201143, 402286, 804572, 1005715, 1609144, 2011430, 4022860, 8045720]

約数ペア:

[(1, 8045720), (2, 4022860), (4, 2011430), (5, 1609144), (8, 1005715), (10, 804572), (20, 402286), (40, 201143), (71, 113320), (142, 56660), (284, 28330), (355, 22664), (568, 14165), (710, 11332), (1420, 5666), (2833, 2840)]