1655315120

素因数分解:

$2^4\times 5^1\times {\mathrm{20691439}}^1$

素因数の和:20691452

約数の個数: 20

約数和(自身を含む): 3848607840

約数和(自身を除く): 2193292720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20691439, 41382878, 82765756, 103457195, 165531512, 206914390, 331063024, 413828780, 827657560, 1655315120]

約数ペア:

[(1, 1655315120), (2, 827657560), (4, 413828780), (5, 331063024), (8, 206914390), (10, 165531512), (16, 103457195), (20, 82765756), (40, 41382878), (80, 20691439)]