80061440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:867

約数の個数: 88

約数和(自身を含む): 202407360

約数和(自身を除く): 122345920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 823, 1024, 1216, 1280, 1520, 1646, 2432, 2560, 3040, 3292, 4115, 4864, 5120, 6080, 6584, 8230, 9728, 12160, 13168, 15637, 16460, 19456, 24320, 26336, 31274, 32920, 48640, 52672, 62548, 65840, 78185, 97280, 105344, 125096, 131680, 156370, 210688, 250192, 263360, 312740, 421376, 500384, 526720, 625480, 842752, 1000768, 1053440, 1250960, 2001536, 2106880, 2501920, 4003072, 4213760, 5003840, 8006144, 10007680, 16012288, 20015360, 40030720, 80061440]

約数ペア:

[(1, 80061440), (2, 40030720), (4, 20015360), (5, 16012288), (8, 10007680), (10, 8006144), (16, 5003840), (19, 4213760), (20, 4003072), (32, 2501920), (38, 2106880), (40, 2001536), (64, 1250960), (76, 1053440), (80, 1000768), (95, 842752), (128, 625480), (152, 526720), (160, 500384), (190, 421376), (256, 312740), (304, 263360), (320, 250192), (380, 210688), (512, 156370), (608, 131680), (640, 125096), (760, 105344), (823, 97280), (1024, 78185), (1216, 65840), (1280, 62548), (1520, 52672), (1646, 48640), (2432, 32920), (2560, 31274), (3040, 26336), (3292, 24320), (4115, 19456), (4864, 16460), (5120, 15637), (6080, 13168), (6584, 12160), (8230, 9728)]