81677770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{8111}}^1$

素因数の和:8190

約数の個数: 32

約数和(自身を含む): 157697280

約数和(自身を除く): 76019510

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 5035, 8111, 10070, 16222, 40555, 81110, 154109, 308218, 429883, 770545, 859766, 1541090, 2149415, 4298830, 8167777, 16335554, 40838885, 81677770]

約数ペア:

[(1, 81677770), (2, 40838885), (5, 16335554), (10, 8167777), (19, 4298830), (38, 2149415), (53, 1541090), (95, 859766), (106, 770545), (190, 429883), (265, 308218), (530, 154109), (1007, 81110), (2014, 40555), (5035, 16222), (8111, 10070)]