78544220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12547}}^1$

素因数の和:12869

約数の個数: 24

約数和(自身を含む): 165483024

約数和(自身を除く): 86938804

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 12547, 25094, 50188, 62735, 125470, 250940, 3927211, 7854422, 15708844, 19636055, 39272110, 78544220]

約数ペア:

[(1, 78544220), (2, 39272110), (4, 19636055), (5, 15708844), (10, 7854422), (20, 3927211), (313, 250940), (626, 125470), (1252, 62735), (1565, 50188), (3130, 25094), (6260, 12547)]