12912380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49663}}^1$

素因数の和:49685

約数の個数: 24

約数和(自身を含む): 29202432

約数和(自身を除く): 16290052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49663, 99326, 198652, 248315, 496630, 645619, 993260, 1291238, 2582476, 3228095, 6456190, 12912380]

約数ペア:

[(1, 12912380), (2, 6456190), (4, 3228095), (5, 2582476), (10, 1291238), (13, 993260), (20, 645619), (26, 496630), (52, 248315), (65, 198652), (130, 99326), (260, 49663)]