68190440

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3559}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 153792000

約数和(自身を除く): 85601560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3559, 3832, 4790, 7118, 9580, 14236, 17795, 19160, 28472, 35590, 71180, 142360, 1704761, 3409522, 6819044, 8523805, 13638088, 17047610, 34095220, 68190440]

約数ペア:

[(1, 68190440), (2, 34095220), (4, 17047610), (5, 13638088), (8, 8523805), (10, 6819044), (20, 3409522), (40, 1704761), (479, 142360), (958, 71180), (1916, 35590), (2395, 28472), (3559, 19160), (3832, 17795), (4790, 14236), (7118, 9580)]