68611960

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3581}}^1$

素因数の和:4071

約数の個数: 32

約数和(自身を含む): 154742400

約数和(自身を除く): 86130440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3581, 3832, 4790, 7162, 9580, 14324, 17905, 19160, 28648, 35810, 71620, 143240, 1715299, 3430598, 6861196, 8576495, 13722392, 17152990, 34305980, 68611960]

約数ペア:

[(1, 68611960), (2, 34305980), (4, 17152990), (5, 13722392), (8, 8576495), (10, 6861196), (20, 3430598), (40, 1715299), (479, 143240), (958, 71620), (1916, 35810), (2395, 28648), (3581, 19160), (3832, 17905), (4790, 14324), (7162, 9580)]