55421240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197933}}^1$

素因数の和:197951

約数の個数: 32

約数和(自身を含む): 142512480

約数和(自身を除く): 87091240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 197933, 395866, 791732, 989665, 1385531, 1583464, 1979330, 2771062, 3958660, 5542124, 6927655, 7917320, 11084248, 13855310, 27710620, 55421240]

約数ペア:

[(1, 55421240), (2, 27710620), (4, 13855310), (5, 11084248), (7, 7917320), (8, 6927655), (10, 5542124), (14, 3958660), (20, 2771062), (28, 1979330), (35, 1583464), (40, 1385531), (56, 989665), (70, 791732), (140, 395866), (280, 197933)]