39421780

素因数分解:

$2^2\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{1669}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 82905480

約数和(自身を除く): 43483700

約数列:

[1, 2, 4, 5, 10, 20, 1181, 1669, 2362, 3338, 4724, 5905, 6676, 8345, 11810, 16690, 23620, 33380, 1971089, 3942178, 7884356, 9855445, 19710890, 39421780]

約数ペア:

[(1, 39421780), (2, 19710890), (4, 9855445), (5, 7884356), (10, 3942178), (20, 1971089), (1181, 33380), (1669, 23620), (2362, 16690), (3338, 11810), (4724, 8345), (5905, 6676)]