1323732020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{18787}}^1$

素因数の和:19080

約数の個数: 48

約数和(自身を含む): 3004877568

約数和(自身を除く): 1681145548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1355, 2710, 3523, 5420, 7046, 14092, 17615, 18787, 35230, 37574, 70460, 75148, 93935, 187870, 244231, 375740, 488462, 976924, 1221155, 2442310, 4884620, 5091277, 10182554, 20365108, 25456385, 50912770, 66186601, 101825540, 132373202, 264746404, 330933005, 661866010, 1323732020]

約数ペア:

[(1, 1323732020), (2, 661866010), (4, 330933005), (5, 264746404), (10, 132373202), (13, 101825540), (20, 66186601), (26, 50912770), (52, 25456385), (65, 20365108), (130, 10182554), (260, 5091277), (271, 4884620), (542, 2442310), (1084, 1221155), (1355, 976924), (2710, 488462), (3523, 375740), (5420, 244231), (7046, 187870), (14092, 93935), (17615, 75148), (18787, 70460), (35230, 37574)]