7804420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2309}}^1$

素因数の和:2344

約数の個数: 36

約数和(自身を含む): 17754660

約数和(自身を除く): 9950240

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2309, 3380, 4618, 9236, 11545, 23090, 30017, 46180, 60034, 120068, 150085, 300170, 390221, 600340, 780442, 1560884, 1951105, 3902210, 7804420]

約数ペア:

[(1, 7804420), (2, 3902210), (4, 1951105), (5, 1560884), (10, 780442), (13, 600340), (20, 390221), (26, 300170), (52, 150085), (65, 120068), (130, 60034), (169, 46180), (260, 30017), (338, 23090), (676, 11545), (845, 9236), (1690, 4618), (2309, 3380)]