128225360

素因数分解:

$2^4\times 5^1\times {\mathrm{1602817}}^1$

素因数の和:1602830

約数の個数: 20

約数和(自身を含む): 298124148

約数和(自身を除く): 169898788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1602817, 3205634, 6411268, 8014085, 12822536, 16028170, 25645072, 32056340, 64112680, 128225360]

約数ペア:

[(1, 128225360), (2, 64112680), (4, 32056340), (5, 25645072), (8, 16028170), (10, 12822536), (16, 8014085), (20, 6411268), (40, 3205634), (80, 1602817)]