495820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 1121904

約数和(自身を除く): 626084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1907, 3814, 7628, 9535, 19070, 24791, 38140, 49582, 99164, 123955, 247910, 495820]

約数ペア:

[(1, 495820), (2, 247910), (4, 123955), (5, 99164), (10, 49582), (13, 38140), (20, 24791), (26, 19070), (52, 9535), (65, 7628), (130, 3814), (260, 1907)]