40071680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1457

約数の個数: 80

約数和(自身を含む): 104886144

約数和(自身を除く): 64814464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1423, 1760, 2560, 2816, 2846, 3520, 5632, 5692, 7040, 7115, 11384, 14080, 14230, 15653, 22768, 28160, 28460, 31306, 45536, 56920, 62612, 78265, 91072, 113840, 125224, 156530, 182144, 227680, 250448, 313060, 364288, 455360, 500896, 626120, 728576, 910720, 1001792, 1252240, 1821440, 2003584, 2504480, 3642880, 4007168, 5008960, 8014336, 10017920, 20035840, 40071680]

約数ペア:

[(1, 40071680), (2, 20035840), (4, 10017920), (5, 8014336), (8, 5008960), (10, 4007168), (11, 3642880), (16, 2504480), (20, 2003584), (22, 1821440), (32, 1252240), (40, 1001792), (44, 910720), (55, 728576), (64, 626120), (80, 500896), (88, 455360), (110, 364288), (128, 313060), (160, 250448), (176, 227680), (220, 182144), (256, 156530), (320, 125224), (352, 113840), (440, 91072), (512, 78265), (640, 62612), (704, 56920), (880, 45536), (1280, 31306), (1408, 28460), (1423, 28160), (1760, 22768), (2560, 15653), (2816, 14230), (2846, 14080), (3520, 11384), (5632, 7115), (5692, 7040)]