264928360

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{64303}}^1$

素因数の和:64417

約数の個数: 32

約数和(自身を含む): 601885440

約数和(自身を除く): 336957080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 64303, 128606, 257212, 321515, 514424, 643030, 1286060, 2572120, 6623209, 13246418, 26492836, 33116045, 52985672, 66232090, 132464180, 264928360]

約数ペア:

[(1, 264928360), (2, 132464180), (4, 66232090), (5, 52985672), (8, 33116045), (10, 26492836), (20, 13246418), (40, 6623209), (103, 2572120), (206, 1286060), (412, 643030), (515, 514424), (824, 321515), (1030, 257212), (2060, 128606), (4120, 64303)]