5409820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20807}}^1$

素因数の和:20829

約数の個数: 24

約数和(自身を含む): 12235104

約数和(自身を除く): 6825284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20807, 41614, 83228, 104035, 208070, 270491, 416140, 540982, 1081964, 1352455, 2704910, 5409820]

約数ペア:

[(1, 5409820), (2, 2704910), (4, 1352455), (5, 1081964), (10, 540982), (13, 416140), (20, 270491), (26, 208070), (52, 104035), (65, 83228), (130, 41614), (260, 20807)]