811144480

素因数分解:

$2^5\times 5^1\times {\mathrm{977}}^1\times {\mathrm{5189}}^1$

素因数の和:6181

約数の個数: 48

約数和(自身を含む): 1918659960

約数和(自身を除く): 1107515480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 977, 1954, 3908, 4885, 5189, 7816, 9770, 10378, 15632, 19540, 20756, 25945, 31264, 39080, 41512, 51890, 78160, 83024, 103780, 156320, 166048, 207560, 415120, 830240, 5069653, 10139306, 20278612, 25348265, 40557224, 50696530, 81114448, 101393060, 162228896, 202786120, 405572240, 811144480]

約数ペア:

[(1, 811144480), (2, 405572240), (4, 202786120), (5, 162228896), (8, 101393060), (10, 81114448), (16, 50696530), (20, 40557224), (32, 25348265), (40, 20278612), (80, 10139306), (160, 5069653), (977, 830240), (1954, 415120), (3908, 207560), (4885, 166048), (5189, 156320), (7816, 103780), (9770, 83024), (10378, 78160), (15632, 51890), (19540, 41512), (20756, 39080), (25945, 31264)]