12606793940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{444841}}^1$

素因数の和:444972

約数の個数: 48

約数和(自身を含む): 28772380560

約数和(自身を除く): 16165586620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 444841, 889682, 1779364, 2224205, 4448410, 5782933, 8896820, 11565866, 23131732, 28914665, 48487669, 57829330, 96975338, 115658660, 193950676, 242438345, 484876690, 630339697, 969753380, 1260679394, 2521358788, 3151698485, 6303396970, 12606793940]

約数ペア:

[(1, 12606793940), (2, 6303396970), (4, 3151698485), (5, 2521358788), (10, 1260679394), (13, 969753380), (20, 630339697), (26, 484876690), (52, 242438345), (65, 193950676), (109, 115658660), (130, 96975338), (218, 57829330), (260, 48487669), (436, 28914665), (545, 23131732), (1090, 11565866), (1417, 8896820), (2180, 5782933), (2834, 4448410), (5668, 2224205), (7085, 1779364), (14170, 889682), (28340, 444841)]