56396080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 142428384

約数和(自身を除く): 86032304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 257, 260, 422, 514, 520, 844, 1028, 1040, 1055, 1285, 1688, 2056, 2110, 2570, 2743, 3341, 3376, 4112, 4220, 5140, 5486, 6682, 8440, 10280, 10972, 13364, 13715, 16705, 16880, 20560, 21944, 26728, 27430, 33410, 43888, 53456, 54227, 54860, 66820, 108454, 109720, 133640, 216908, 219440, 267280, 271135, 433816, 542270, 704951, 867632, 1084540, 1409902, 2169080, 2819804, 3524755, 4338160, 5639608, 7049510, 11279216, 14099020, 28198040, 56396080]

約数ペア:

[(1, 56396080), (2, 28198040), (4, 14099020), (5, 11279216), (8, 7049510), (10, 5639608), (13, 4338160), (16, 3524755), (20, 2819804), (26, 2169080), (40, 1409902), (52, 1084540), (65, 867632), (80, 704951), (104, 542270), (130, 433816), (208, 271135), (211, 267280), (257, 219440), (260, 216908), (422, 133640), (514, 109720), (520, 108454), (844, 66820), (1028, 54860), (1040, 54227), (1055, 53456), (1285, 43888), (1688, 33410), (2056, 27430), (2110, 26728), (2570, 21944), (2743, 20560), (3341, 16880), (3376, 16705), (4112, 13715), (4220, 13364), (5140, 10972), (5486, 10280), (6682, 8440)]