40030720

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 80

約数和(自身を含む): 101154240

約数和(自身を除く): 61123520

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, 1216, 1280, 1520, 1646, 2432, 2560, 3040, 3292, 4115, 4864, 6080, 6584, 8230, 9728, 12160, 13168, 15637, 16460, 24320, 26336, 31274, 32920, 48640, 52672, 62548, 65840, 78185, 105344, 125096, 131680, 156370, 210688, 250192, 263360, 312740, 421376, 500384, 526720, 625480, 1000768, 1053440, 1250960, 2001536, 2106880, 2501920, 4003072, 5003840, 8006144, 10007680, 20015360, 40030720]

約数ペア:

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