28414280

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1483}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 64108800

約数和(自身を除く): 35694520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1483, 1916, 2395, 2966, 3832, 4790, 5932, 7415, 9580, 11864, 14830, 19160, 29660, 59320, 710357, 1420714, 2841428, 3551785, 5682856, 7103570, 14207140, 28414280]

約数ペア:

[(1, 28414280), (2, 14207140), (4, 7103570), (5, 5682856), (8, 3551785), (10, 2841428), (20, 1420714), (40, 710357), (479, 59320), (958, 29660), (1483, 19160), (1916, 14830), (2395, 11864), (2966, 9580), (3832, 7415), (4790, 5932)]