2511340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 36

約数和(自身を含む): 5718384

約数和(自身を除く): 3207044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 743, 845, 1486, 1690, 2972, 3380, 3715, 7430, 9659, 14860, 19318, 38636, 48295, 96590, 125567, 193180, 251134, 502268, 627835, 1255670, 2511340]

約数ペア:

[(1, 2511340), (2, 1255670), (4, 627835), (5, 502268), (10, 251134), (13, 193180), (20, 125567), (26, 96590), (52, 48295), (65, 38636), (130, 19318), (169, 14860), (260, 9659), (338, 7430), (676, 3715), (743, 3380), (845, 2972), (1486, 1690)]