85281440

素因数分解:

$2^5\times 5^1\times {\mathrm{533009}}^1$

素因数の和:533024

約数の個数: 24

約数和(自身を含む): 201477780

約数和(自身を除く): 116196340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 533009, 1066018, 2132036, 2665045, 4264072, 5330090, 8528144, 10660180, 17056288, 21320360, 42640720, 85281440]

約数ペア:

[(1, 85281440), (2, 42640720), (4, 21320360), (5, 17056288), (8, 10660180), (10, 8528144), (16, 5330090), (20, 4264072), (32, 2665045), (40, 2132036), (80, 1066018), (160, 533009)]