12904580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49633}}^1$

素因数の和:49655

約数の個数: 24

約数和(自身を含む): 29184792

約数和(自身を除く): 16280212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49633, 99266, 198532, 248165, 496330, 645229, 992660, 1290458, 2580916, 3226145, 6452290, 12904580]

約数ペア:

[(1, 12904580), (2, 6452290), (4, 3226145), (5, 2580916), (10, 1290458), (13, 992660), (20, 645229), (26, 496330), (52, 248165), (65, 198532), (130, 99266), (260, 49633)]