53964040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 131790960

約数和(自身を除く): 77826920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 661, 785, 1256, 1322, 1570, 2041, 2644, 3140, 3305, 4082, 5288, 6280, 6610, 8164, 8593, 10205, 13220, 16328, 17186, 20410, 26440, 34372, 40820, 42965, 68744, 81640, 85930, 103777, 171860, 207554, 343720, 415108, 518885, 830216, 1037770, 1349101, 2075540, 2698202, 4151080, 5396404, 6745505, 10792808, 13491010, 26982020, 53964040]

約数ペア:

[(1, 53964040), (2, 26982020), (4, 13491010), (5, 10792808), (8, 6745505), (10, 5396404), (13, 4151080), (20, 2698202), (26, 2075540), (40, 1349101), (52, 1037770), (65, 830216), (104, 518885), (130, 415108), (157, 343720), (260, 207554), (314, 171860), (520, 103777), (628, 85930), (661, 81640), (785, 68744), (1256, 42965), (1322, 40820), (1570, 34372), (2041, 26440), (2644, 20410), (3140, 17186), (3305, 16328), (4082, 13220), (5288, 10205), (6280, 8593), (6610, 8164)]