26447720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 64668240

約数和(自身を除く): 38220520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 281, 362, 520, 562, 724, 905, 1124, 1405, 1448, 1810, 2248, 2353, 2810, 3620, 3653, 4706, 5620, 7240, 7306, 9412, 11240, 11765, 14612, 18265, 18824, 23530, 29224, 36530, 47060, 50861, 73060, 94120, 101722, 146120, 203444, 254305, 406888, 508610, 661193, 1017220, 1322386, 2034440, 2644772, 3305965, 5289544, 6611930, 13223860, 26447720]

約数ペア:

[(1, 26447720), (2, 13223860), (4, 6611930), (5, 5289544), (8, 3305965), (10, 2644772), (13, 2034440), (20, 1322386), (26, 1017220), (40, 661193), (52, 508610), (65, 406888), (104, 254305), (130, 203444), (181, 146120), (260, 101722), (281, 94120), (362, 73060), (520, 50861), (562, 47060), (724, 36530), (905, 29224), (1124, 23530), (1405, 18824), (1448, 18265), (1810, 14612), (2248, 11765), (2353, 11240), (2810, 9412), (3620, 7306), (3653, 7240), (4706, 5620)]