520701920

素因数分解:

$2^5\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3331}}^1$

素因数の和:4323

約数の個数: 48

約数和(自身を含む): 1231787088

約数和(自身を除く): 711085168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 977, 1954, 3331, 3908, 4885, 6662, 7816, 9770, 13324, 15632, 16655, 19540, 26648, 31264, 33310, 39080, 53296, 66620, 78160, 106592, 133240, 156320, 266480, 532960, 3254387, 6508774, 13017548, 16271935, 26035096, 32543870, 52070192, 65087740, 104140384, 130175480, 260350960, 520701920]

約数ペア:

[(1, 520701920), (2, 260350960), (4, 130175480), (5, 104140384), (8, 65087740), (10, 52070192), (16, 32543870), (20, 26035096), (32, 16271935), (40, 13017548), (80, 6508774), (160, 3254387), (977, 532960), (1954, 266480), (3331, 156320), (3908, 133240), (4885, 106592), (6662, 78160), (7816, 66620), (9770, 53296), (13324, 39080), (15632, 33310), (16655, 31264), (19540, 26648)]