39840725

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 51746688

約数和(自身を除く): 11905963

約数列:

[1, 5, 25, 41, 47, 205, 235, 827, 1025, 1175, 1927, 4135, 9635, 20675, 33907, 38869, 48175, 169535, 194345, 847675, 971725, 1593629, 7968145, 39840725]

約数ペア:

[(1, 39840725), (5, 7968145), (25, 1593629), (41, 971725), (47, 847675), (205, 194345), (235, 169535), (827, 48175), (1025, 38869), (1175, 33907), (1927, 20675), (4135, 9635)]