15681440

素因数分解:

$2^5\times 5^1\times {\mathrm{98009}}^1$

素因数の和:98024

約数の個数: 24

約数和(自身を含む): 37047780

約数和(自身を除く): 21366340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 98009, 196018, 392036, 490045, 784072, 980090, 1568144, 1960180, 3136288, 3920360, 7840720, 15681440]

約数ペア:

[(1, 15681440), (2, 7840720), (4, 3920360), (5, 3136288), (8, 1960180), (10, 1568144), (16, 980090), (20, 784072), (32, 490045), (40, 392036), (80, 196018), (160, 98009)]