11921440

素因数分解:

$2^5\times 5^1\times {\mathrm{74509}}^1$

素因数の和:74524

約数の個数: 24

約数和(自身を含む): 28164780

約数和(自身を除く): 16243340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 74509, 149018, 298036, 372545, 596072, 745090, 1192144, 1490180, 2384288, 2980360, 5960720, 11921440]

約数ペア:

[(1, 11921440), (2, 5960720), (4, 2980360), (5, 2384288), (8, 1490180), (10, 1192144), (16, 745090), (20, 596072), (32, 372545), (40, 298036), (80, 149018), (160, 74509)]