396016660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1523141}}^1$

素因数の和:1523163

約数の個数: 24

約数和(自身を含む): 895607496

約数和(自身を除く): 499590836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1523141, 3046282, 6092564, 7615705, 15231410, 19800833, 30462820, 39601666, 79203332, 99004165, 198008330, 396016660]

約数ペア:

[(1, 396016660), (2, 198008330), (4, 99004165), (5, 79203332), (10, 39601666), (13, 30462820), (20, 19800833), (26, 15231410), (52, 7615705), (65, 6092564), (130, 3046282), (260, 1523141)]