85310860

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{6173}}^1$

素因数の和:6873

約数の個数: 24

約数和(自身を含む): 179441136

約数和(自身を除く): 94130276

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6173, 6910, 12346, 13820, 24692, 30865, 61730, 123460, 4265543, 8531086, 17062172, 21327715, 42655430, 85310860]

約数ペア:

[(1, 85310860), (2, 42655430), (4, 21327715), (5, 17062172), (10, 8531086), (20, 4265543), (691, 123460), (1382, 61730), (2764, 30865), (3455, 24692), (6173, 13820), (6910, 12346)]