31173320

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1627}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 70329600

約数和(自身を除く): 39156280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1627, 1916, 2395, 3254, 3832, 4790, 6508, 8135, 9580, 13016, 16270, 19160, 32540, 65080, 779333, 1558666, 3117332, 3896665, 6234664, 7793330, 15586660, 31173320]

約数ペア:

[(1, 31173320), (2, 15586660), (4, 7793330), (5, 6234664), (8, 3896665), (10, 3117332), (20, 1558666), (40, 779333), (479, 65080), (958, 32540), (1627, 19160), (1916, 16270), (2395, 13016), (3254, 9580), (3832, 8135), (4790, 6508)]