78376670

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19163}}^1$

素因数の和:19579

約数の個数: 16

約数和(自身を含む): 141430320

約数和(自身を除く): 63053650

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 19163, 38326, 95815, 191630, 7837667, 15675334, 39188335, 78376670]

約数ペア:

[(1, 78376670), (2, 39188335), (5, 15675334), (10, 7837667), (409, 191630), (818, 95815), (2045, 38326), (4090, 19163)]