1273565600

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{8081}}^1$

素因数の和:8298

約数の個数: 72

約数和(自身を含む): 3125260908

約数和(自身を除く): 1851695308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 788, 800, 985, 1576, 1970, 3152, 3940, 4925, 6304, 7880, 8081, 9850, 15760, 16162, 19700, 31520, 32324, 39400, 40405, 64648, 78800, 80810, 129296, 157600, 161620, 202025, 258592, 323240, 404050, 646480, 808100, 1292960, 1591957, 1616200, 3183914, 3232400, 6367828, 6464800, 7959785, 12735656, 15919570, 25471312, 31839140, 39798925, 50942624, 63678280, 79597850, 127356560, 159195700, 254713120, 318391400, 636782800, 1273565600]

約数ペア:

[(1, 1273565600), (2, 636782800), (4, 318391400), (5, 254713120), (8, 159195700), (10, 127356560), (16, 79597850), (20, 63678280), (25, 50942624), (32, 39798925), (40, 31839140), (50, 25471312), (80, 15919570), (100, 12735656), (160, 7959785), (197, 6464800), (200, 6367828), (394, 3232400), (400, 3183914), (788, 1616200), (800, 1591957), (985, 1292960), (1576, 808100), (1970, 646480), (3152, 404050), (3940, 323240), (4925, 258592), (6304, 202025), (7880, 161620), (8081, 157600), (9850, 129296), (15760, 80810), (16162, 78800), (19700, 64648), (31520, 40405), (32324, 39400)]