71459720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43573}}^1$

素因数の和:43625

約数の個数: 32

約数和(自身を含む): 164709720

約数和(自身を除く): 93250000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43573, 87146, 174292, 217865, 348584, 435730, 871460, 1742920, 1786493, 3572986, 7145972, 8932465, 14291944, 17864930, 35729860, 71459720]

約数ペア:

[(1, 71459720), (2, 35729860), (4, 17864930), (5, 14291944), (8, 8932465), (10, 7145972), (20, 3572986), (40, 1786493), (41, 1742920), (82, 871460), (164, 435730), (205, 348584), (328, 217865), (410, 174292), (820, 87146), (1640, 43573)]