66965680

素因数分解:

$2^4\times 5^1\times {\mathrm{837071}}^1$

素因数の和:837084

約数の個数: 20

約数和(自身を含む): 155695392

約数和(自身を除く): 88729712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 837071, 1674142, 3348284, 4185355, 6696568, 8370710, 13393136, 16741420, 33482840, 66965680]

約数ペア:

[(1, 66965680), (2, 33482840), (4, 16741420), (5, 13393136), (8, 8370710), (10, 6696568), (16, 4185355), (20, 3348284), (40, 1674142), (80, 837071)]