79804840

素因数分解:

$2^3\times 5^1\times {\mathrm{1995121}}^1$

素因数の和:1995132

約数の個数: 16

約数和(自身を含む): 179560980

約数和(自身を除く): 99756140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995121, 3990242, 7980484, 9975605, 15960968, 19951210, 39902420, 79804840]

約数ペア:

[(1, 79804840), (2, 39902420), (4, 19951210), (5, 15960968), (8, 9975605), (10, 7980484), (20, 3990242), (40, 1995121)]