397010960

素因数分解:

$2^4\times 5^1\times {\mathrm{4962637}}^1$

素因数の和:4962650

約数の個数: 20

約数和(自身を含む): 923050668

約数和(自身を除く): 526039708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4962637, 9925274, 19850548, 24813185, 39701096, 49626370, 79402192, 99252740, 198505480, 397010960]

約数ペア:

[(1, 397010960), (2, 198505480), (4, 99252740), (5, 79402192), (8, 49626370), (10, 39701096), (16, 24813185), (20, 19850548), (40, 9925274), (80, 4962637)]