7139065240

素因数分解:

$2^3\times 5^1\times {\mathrm{178476631}}^1$

素因数の和:178476642

約数の個数: 16

約数和(自身を含む): 16062896880

約数和(自身を除く): 8923831640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 178476631, 356953262, 713906524, 892383155, 1427813048, 1784766310, 3569532620, 7139065240]

約数ペア:

[(1, 7139065240), (2, 3569532620), (4, 1784766310), (5, 1427813048), (8, 892383155), (10, 713906524), (20, 356953262), (40, 178476631)]