17210720

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 40914720

約数和(自身を除く): 23704000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 409, 526, 818, 1052, 1315, 1636, 2045, 2104, 2630, 3272, 4090, 4208, 5260, 6544, 8180, 8416, 10520, 13088, 16360, 21040, 32720, 42080, 65440, 107567, 215134, 430268, 537835, 860536, 1075670, 1721072, 2151340, 3442144, 4302680, 8605360, 17210720]

約数ペア:

[(1, 17210720), (2, 8605360), (4, 4302680), (5, 3442144), (8, 2151340), (10, 1721072), (16, 1075670), (20, 860536), (32, 537835), (40, 430268), (80, 215134), (160, 107567), (263, 65440), (409, 42080), (526, 32720), (818, 21040), (1052, 16360), (1315, 13088), (1636, 10520), (2045, 8416), (2104, 8180), (2630, 6544), (3272, 5260), (4090, 4208)]