2102260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 4442760

約数和(自身を除く): 2340500

約数列:

[1, 2, 4, 5, 10, 20, 257, 409, 514, 818, 1028, 1285, 1636, 2045, 2570, 4090, 5140, 8180, 105113, 210226, 420452, 525565, 1051130, 2102260]

約数ペア:

[(1, 2102260), (2, 1051130), (4, 525565), (5, 420452), (10, 210226), (20, 105113), (257, 8180), (409, 5140), (514, 4090), (818, 2570), (1028, 2045), (1285, 1636)]