54128980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38119}}^1$

素因数の和:38199

約数の個数: 24

約数和(自身を含む): 115274880

約数和(自身を除く): 61145900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38119, 76238, 152476, 190595, 381190, 762380, 2706449, 5412898, 10825796, 13532245, 27064490, 54128980]

約数ペア:

[(1, 54128980), (2, 27064490), (4, 13532245), (5, 10825796), (10, 5412898), (20, 2706449), (71, 762380), (142, 381190), (284, 190595), (355, 152476), (710, 76238), (1420, 38119)]