77190640

素因数分解:

$2^4\times 5^1\times {\mathrm{964883}}^1$

素因数の和:964896

約数の個数: 20

約数和(自身を含む): 179468424

約数和(自身を除く): 102277784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 964883, 1929766, 3859532, 4824415, 7719064, 9648830, 15438128, 19297660, 38595320, 77190640]

約数ペア:

[(1, 77190640), (2, 38595320), (4, 19297660), (5, 15438128), (8, 9648830), (10, 7719064), (16, 4824415), (20, 3859532), (40, 1929766), (80, 964883)]