20149386440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{87257}}^1$

素因数の和:87542

約数の個数: 64

約数和(自身を含む): 47496274560

約数和(自身を除く): 27346888120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 251, 460, 502, 920, 1004, 1255, 2008, 2510, 5020, 5773, 10040, 11546, 23092, 28865, 46184, 57730, 87257, 115460, 174514, 230920, 349028, 436285, 698056, 872570, 1745140, 2006911, 3490280, 4013822, 8027644, 10034555, 16055288, 20069110, 21901507, 40138220, 43803014, 80276440, 87606028, 109507535, 175212056, 219015070, 438030140, 503734661, 876060280, 1007469322, 2014938644, 2518673305, 4029877288, 5037346610, 10074693220, 20149386440]

約数ペア:

[(1, 20149386440), (2, 10074693220), (4, 5037346610), (5, 4029877288), (8, 2518673305), (10, 2014938644), (20, 1007469322), (23, 876060280), (40, 503734661), (46, 438030140), (92, 219015070), (115, 175212056), (184, 109507535), (230, 87606028), (251, 80276440), (460, 43803014), (502, 40138220), (920, 21901507), (1004, 20069110), (1255, 16055288), (2008, 10034555), (2510, 8027644), (5020, 4013822), (5773, 3490280), (10040, 2006911), (11546, 1745140), (23092, 872570), (28865, 698056), (46184, 436285), (57730, 349028), (87257, 230920), (115460, 174514)]