79147720

素因数分解:

$2^3\times 5^1\times {\mathrm{1978693}}^1$

素因数の和:1978704

約数の個数: 16

約数和(自身を含む): 178082460

約数和(自身を除く): 98934740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1978693, 3957386, 7914772, 9893465, 15829544, 19786930, 39573860, 79147720]

約数ペア:

[(1, 79147720), (2, 39573860), (4, 19786930), (5, 15829544), (8, 9893465), (10, 7914772), (20, 3957386), (40, 1978693)]