5205460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20021}}^1$

素因数の和:20043

約数の個数: 24

約数和(自身を含む): 11772936

約数和(自身を除く): 6567476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20021, 40042, 80084, 100105, 200210, 260273, 400420, 520546, 1041092, 1301365, 2602730, 5205460]

約数ペア:

[(1, 5205460), (2, 2602730), (4, 1301365), (5, 1041092), (10, 520546), (13, 400420), (20, 260273), (26, 200210), (52, 100105), (65, 80084), (130, 40042), (260, 20021)]