680420320

素因数分解:

$2^5\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{4093}}^1$

素因数の和:5147

約数の個数: 48

約数和(自身を含む): 1609433280

約数和(自身を除く): 929012960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1039, 2078, 4093, 4156, 5195, 8186, 8312, 10390, 16372, 16624, 20465, 20780, 32744, 33248, 40930, 41560, 65488, 81860, 83120, 130976, 163720, 166240, 327440, 654880, 4252627, 8505254, 17010508, 21263135, 34021016, 42526270, 68042032, 85052540, 136084064, 170105080, 340210160, 680420320]

約数ペア:

[(1, 680420320), (2, 340210160), (4, 170105080), (5, 136084064), (8, 85052540), (10, 68042032), (16, 42526270), (20, 34021016), (32, 21263135), (40, 17010508), (80, 8505254), (160, 4252627), (1039, 654880), (2078, 327440), (4093, 166240), (4156, 163720), (5195, 130976), (8186, 83120), (8312, 81860), (10390, 65488), (16372, 41560), (16624, 40930), (20465, 33248), (20780, 32744)]