80493940790

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{6444671}}^1$

素因数の和:6445927

約数の個数: 16

約数和(自身を含む): 145005120000

約数和(自身を除く): 64511179210

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 6444671, 12889342, 32223355, 64446710, 8049394079, 16098788158, 40246970395, 80493940790]

約数ペア:

[(1, 80493940790), (2, 40246970395), (5, 16098788158), (10, 8049394079), (1249, 64446710), (2498, 32223355), (6245, 12889342), (12490, 6444671)]