27868880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 70662144

約数和(自身を除く): 42793264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 211, 254, 260, 422, 508, 520, 635, 844, 1016, 1040, 1055, 1270, 1651, 1688, 2032, 2110, 2540, 2743, 3302, 3376, 4220, 5080, 5486, 6604, 8255, 8440, 10160, 10972, 13208, 13715, 16510, 16880, 21944, 26416, 26797, 27430, 33020, 43888, 53594, 54860, 66040, 107188, 109720, 132080, 133985, 214376, 219440, 267970, 348361, 428752, 535940, 696722, 1071880, 1393444, 1741805, 2143760, 2786888, 3483610, 5573776, 6967220, 13934440, 27868880]

約数ペア:

[(1, 27868880), (2, 13934440), (4, 6967220), (5, 5573776), (8, 3483610), (10, 2786888), (13, 2143760), (16, 1741805), (20, 1393444), (26, 1071880), (40, 696722), (52, 535940), (65, 428752), (80, 348361), (104, 267970), (127, 219440), (130, 214376), (208, 133985), (211, 132080), (254, 109720), (260, 107188), (422, 66040), (508, 54860), (520, 53594), (635, 43888), (844, 33020), (1016, 27430), (1040, 26797), (1055, 26416), (1270, 21944), (1651, 16880), (1688, 16510), (2032, 13715), (2110, 13208), (2540, 10972), (2743, 10160), (3302, 8440), (3376, 8255), (4220, 6604), (5080, 5486)]