39411820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 95135040

約数和(自身を除く): 55723220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1429, 1970, 2758, 2858, 3940, 5516, 5716, 6895, 7145, 10003, 13790, 14290, 20006, 27580, 28580, 40012, 50015, 100030, 200060, 281513, 563026, 1126052, 1407565, 1970591, 2815130, 3941182, 5630260, 7882364, 9852955, 19705910, 39411820]

約数ペア:

[(1, 39411820), (2, 19705910), (4, 9852955), (5, 7882364), (7, 5630260), (10, 3941182), (14, 2815130), (20, 1970591), (28, 1407565), (35, 1126052), (70, 563026), (140, 281513), (197, 200060), (394, 100030), (788, 50015), (985, 40012), (1379, 28580), (1429, 27580), (1970, 20006), (2758, 14290), (2858, 13790), (3940, 10003), (5516, 7145), (5716, 6895)]