51214880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 96

約数和(自身を含む): 134991360

約数和(自身を除く): 83776480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 991, 1292, 1360, 1520, 1615, 1982, 2584, 2720, 3040, 3230, 3964, 4955, 5168, 6460, 7928, 9910, 10336, 12920, 15856, 16847, 18829, 19820, 25840, 31712, 33694, 37658, 39640, 51680, 67388, 75316, 79280, 84235, 94145, 134776, 150632, 158560, 168470, 188290, 269552, 301264, 320093, 336940, 376580, 539104, 602528, 640186, 673880, 753160, 1280372, 1347760, 1506320, 1600465, 2560744, 2695520, 3012640, 3200930, 5121488, 6401860, 10242976, 12803720, 25607440, 51214880]

約数ペア:

[(1, 51214880), (2, 25607440), (4, 12803720), (5, 10242976), (8, 6401860), (10, 5121488), (16, 3200930), (17, 3012640), (19, 2695520), (20, 2560744), (32, 1600465), (34, 1506320), (38, 1347760), (40, 1280372), (68, 753160), (76, 673880), (80, 640186), (85, 602528), (95, 539104), (136, 376580), (152, 336940), (160, 320093), (170, 301264), (190, 269552), (272, 188290), (304, 168470), (323, 158560), (340, 150632), (380, 134776), (544, 94145), (608, 84235), (646, 79280), (680, 75316), (760, 67388), (991, 51680), (1292, 39640), (1360, 37658), (1520, 33694), (1615, 31712), (1982, 25840), (2584, 19820), (2720, 18829), (3040, 16847), (3230, 15856), (3964, 12920), (4955, 10336), (5168, 9910), (6460, 7928)]