8918920

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{761}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 20162520

約数和(自身を除く): 11243600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 761, 1172, 1465, 1522, 2344, 2930, 3044, 3805, 5860, 6088, 7610, 11720, 15220, 30440, 222973, 445946, 891892, 1114865, 1783784, 2229730, 4459460, 8918920]

約数ペア:

[(1, 8918920), (2, 4459460), (4, 2229730), (5, 1783784), (8, 1114865), (10, 891892), (20, 445946), (40, 222973), (293, 30440), (586, 15220), (761, 11720), (1172, 7610), (1465, 6088), (1522, 5860), (2344, 3805), (2930, 3044)]