2080490140

素因数分解:

$2^2\times 5^1\times {\mathrm{11939}}^1\times {\mathrm{8713}}^1$

素因数の和:20661

約数の個数: 24

約数和(自身を含む): 4369896720

約数和(自身を除く): 2289406580

約数列:

[1, 2, 4, 5, 10, 20, 8713, 11939, 17426, 23878, 34852, 43565, 47756, 59695, 87130, 119390, 174260, 238780, 104024507, 208049014, 416098028, 520122535, 1040245070, 2080490140]

約数ペア:

[(1, 2080490140), (2, 1040245070), (4, 520122535), (5, 416098028), (10, 208049014), (20, 104024507), (8713, 238780), (11939, 174260), (17426, 119390), (23878, 87130), (34852, 59695), (43565, 47756)]