66881440

素因数分解:

$2^5\times 5^1\times {\mathrm{418009}}^1$

素因数の和:418024

約数の個数: 24

約数和(自身を含む): 158007780

約数和(自身を除く): 91126340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 418009, 836018, 1672036, 2090045, 3344072, 4180090, 6688144, 8360180, 13376288, 16720360, 33440720, 66881440]

約数ペア:

[(1, 66881440), (2, 33440720), (4, 16720360), (5, 13376288), (8, 8360180), (10, 6688144), (16, 4180090), (20, 3344072), (32, 2090045), (40, 1672036), (80, 836018), (160, 418009)]