2663180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10243}}^1$

素因数の和:10265

約数の個数: 24

約数和(自身を含む): 6023472

約数和(自身を除く): 3360292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10243, 20486, 40972, 51215, 102430, 133159, 204860, 266318, 532636, 665795, 1331590, 2663180]

約数ペア:

[(1, 2663180), (2, 1331590), (4, 665795), (5, 532636), (10, 266318), (13, 204860), (20, 133159), (26, 102430), (52, 51215), (65, 40972), (130, 20486), (260, 10243)]