18067520

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 56

約数和(自身を含む): 43452288

約数和(自身を除く): 25384768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 431, 524, 655, 862, 1048, 1310, 1724, 2096, 2155, 2620, 3448, 4192, 4310, 5240, 6896, 8384, 8620, 10480, 13792, 17240, 20960, 27584, 34480, 41920, 56461, 68960, 112922, 137920, 225844, 282305, 451688, 564610, 903376, 1129220, 1806752, 2258440, 3613504, 4516880, 9033760, 18067520]

約数ペア:

[(1, 18067520), (2, 9033760), (4, 4516880), (5, 3613504), (8, 2258440), (10, 1806752), (16, 1129220), (20, 903376), (32, 564610), (40, 451688), (64, 282305), (80, 225844), (131, 137920), (160, 112922), (262, 68960), (320, 56461), (431, 41920), (524, 34480), (655, 27584), (862, 20960), (1048, 17240), (1310, 13792), (1724, 10480), (2096, 8620), (2155, 8384), (2620, 6896), (3448, 5240), (4192, 4310)]