26241440

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 62301960

約数和(自身を除く): 36060520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 409, 802, 818, 1604, 1636, 2005, 2045, 3208, 3272, 4010, 4090, 6416, 6544, 8020, 8180, 12832, 13088, 16040, 16360, 32080, 32720, 64160, 65440, 164009, 328018, 656036, 820045, 1312072, 1640090, 2624144, 3280180, 5248288, 6560360, 13120720, 26241440]

約数ペア:

[(1, 26241440), (2, 13120720), (4, 6560360), (5, 5248288), (8, 3280180), (10, 2624144), (16, 1640090), (20, 1312072), (32, 820045), (40, 656036), (80, 328018), (160, 164009), (401, 65440), (409, 64160), (802, 32720), (818, 32080), (1604, 16360), (1636, 16040), (2005, 13088), (2045, 12832), (3208, 8180), (3272, 8020), (4010, 6544), (4090, 6416)]