71135560

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4051}}^1$

素因数の和:4501

約数の個数: 32

約数和(自身を含む): 160459200

約数和(自身を除く): 89323640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4051, 4390, 8102, 8780, 16204, 17560, 20255, 32408, 40510, 81020, 162040, 1778389, 3556778, 7113556, 8891945, 14227112, 17783890, 35567780, 71135560]

約数ペア:

[(1, 71135560), (2, 35567780), (4, 17783890), (5, 14227112), (8, 8891945), (10, 7113556), (20, 3556778), (40, 1778389), (439, 162040), (878, 81020), (1756, 40510), (2195, 32408), (3512, 20255), (4051, 17560), (4390, 16204), (8102, 8780)]