13223860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 30178512

約数和(自身を除く): 16954652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 281, 362, 562, 724, 905, 1124, 1405, 1810, 2353, 2810, 3620, 3653, 4706, 5620, 7306, 9412, 11765, 14612, 18265, 23530, 36530, 47060, 50861, 73060, 101722, 203444, 254305, 508610, 661193, 1017220, 1322386, 2644772, 3305965, 6611930, 13223860]

約数ペア:

[(1, 13223860), (2, 6611930), (4, 3305965), (5, 2644772), (10, 1322386), (13, 1017220), (20, 661193), (26, 508610), (52, 254305), (65, 203444), (130, 101722), (181, 73060), (260, 50861), (281, 47060), (362, 36530), (562, 23530), (724, 18265), (905, 14612), (1124, 11765), (1405, 9412), (1810, 7306), (2353, 5620), (2810, 4706), (3620, 3653)]