145157440

素因数分解:

$2^6\times 5^1\times {\mathrm{453617}}^1$

素因数の和:453634

約数の個数: 28

約数和(自身を含む): 345656916

約数和(自身を除く): 200499476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 453617, 907234, 1814468, 2268085, 3628936, 4536170, 7257872, 9072340, 14515744, 18144680, 29031488, 36289360, 72578720, 145157440]

約数ペア:

[(1, 145157440), (2, 72578720), (4, 36289360), (5, 29031488), (8, 18144680), (10, 14515744), (16, 9072340), (20, 7257872), (32, 4536170), (40, 3628936), (64, 2268085), (80, 1814468), (160, 907234), (320, 453617)]