71890760

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5779}}^1$

素因数の和:6101

約数の個数: 32

約数和(自身を含む): 162302400

約数和(自身を除く): 90411640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5779, 6220, 11558, 12440, 23116, 28895, 46232, 57790, 115580, 231160, 1797269, 3594538, 7189076, 8986345, 14378152, 17972690, 35945380, 71890760]

約数ペア:

[(1, 71890760), (2, 35945380), (4, 17972690), (5, 14378152), (8, 8986345), (10, 7189076), (20, 3594538), (40, 1797269), (311, 231160), (622, 115580), (1244, 57790), (1555, 46232), (2488, 28895), (3110, 23116), (5779, 12440), (6220, 11558)]