78680090

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{2801}}^1$

素因数の和:2914

約数の個数: 24

約数和(自身を含む): 144398268

約数和(自身を除く): 65718178

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2801, 2809, 5602, 5618, 14005, 14045, 28010, 28090, 148453, 296906, 742265, 1484530, 7868009, 15736018, 39340045, 78680090]

約数ペア:

[(1, 78680090), (2, 39340045), (5, 15736018), (10, 7868009), (53, 1484530), (106, 742265), (265, 296906), (530, 148453), (2801, 28090), (2809, 28010), (5602, 14045), (5618, 14005)]