16612180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 37883664

約数和(自身を除く): 21271484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 353, 362, 706, 724, 905, 1412, 1765, 1810, 2353, 3530, 3620, 4589, 4706, 7060, 9178, 9412, 11765, 18356, 22945, 23530, 45890, 47060, 63893, 91780, 127786, 255572, 319465, 638930, 830609, 1277860, 1661218, 3322436, 4153045, 8306090, 16612180]

約数ペア:

[(1, 16612180), (2, 8306090), (4, 4153045), (5, 3322436), (10, 1661218), (13, 1277860), (20, 830609), (26, 638930), (52, 319465), (65, 255572), (130, 127786), (181, 91780), (260, 63893), (353, 47060), (362, 45890), (706, 23530), (724, 22945), (905, 18356), (1412, 11765), (1765, 9412), (1810, 9178), (2353, 7060), (3530, 4706), (3620, 4589)]