139353920

素因数分解:

$2^6\times 5^1\times {\mathrm{435481}}^1$

素因数の和:435498

約数の個数: 28

約数和(自身を含む): 331837284

約数和(自身を除く): 192483364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435481, 870962, 1741924, 2177405, 3483848, 4354810, 6967696, 8709620, 13935392, 17419240, 27870784, 34838480, 69676960, 139353920]

約数ペア:

[(1, 139353920), (2, 69676960), (4, 34838480), (5, 27870784), (8, 17419240), (10, 13935392), (16, 8709620), (20, 6967696), (32, 4354810), (40, 3483848), (64, 2177405), (80, 1741924), (160, 870962), (320, 435481)]