417440

素因数分解:

$2^5\times 5^1\times {\mathrm{2609}}^1$

素因数の和:2624

約数の個数: 24

約数和(自身を含む): 986580

約数和(自身を除く): 569140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2609, 5218, 10436, 13045, 20872, 26090, 41744, 52180, 83488, 104360, 208720, 417440]

約数ペア:

[(1, 417440), (2, 208720), (4, 104360), (5, 83488), (8, 52180), (10, 41744), (16, 26090), (20, 20872), (32, 13045), (40, 10436), (80, 5218), (160, 2609)]