85760380

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9949}}^1$

素因数の和:10389

約数の個数: 24

約数和(自身を含む): 180532800

約数和(自身を除く): 94772420

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 9949, 19898, 39796, 49745, 99490, 198980, 4288019, 8576038, 17152076, 21440095, 42880190, 85760380]

約数ペア:

[(1, 85760380), (2, 42880190), (4, 21440095), (5, 17152076), (10, 8576038), (20, 4288019), (431, 198980), (862, 99490), (1724, 49745), (2155, 39796), (4310, 19898), (8620, 9949)]