40910120

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2083}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 92279520

約数和(自身を除く): 51369400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2083, 2455, 3928, 4166, 4910, 8332, 9820, 10415, 16664, 19640, 20830, 41660, 83320, 1022753, 2045506, 4091012, 5113765, 8182024, 10227530, 20455060, 40910120]

約数ペア:

[(1, 40910120), (2, 20455060), (4, 10227530), (5, 8182024), (8, 5113765), (10, 4091012), (20, 2045506), (40, 1022753), (491, 83320), (982, 41660), (1964, 20830), (2083, 19640), (2455, 16664), (3928, 10415), (4166, 9820), (4910, 8332)]