7945340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30559}}^1$

素因数の和:30581

約数の個数: 24

約数和(自身を含む): 17969280

約数和(自身を除く): 10023940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30559, 61118, 122236, 152795, 305590, 397267, 611180, 794534, 1589068, 1986335, 3972670, 7945340]

約数ペア:

[(1, 7945340), (2, 3972670), (4, 1986335), (5, 1589068), (10, 794534), (13, 611180), (20, 397267), (26, 305590), (52, 152795), (65, 122236), (130, 61118), (260, 30559)]