28576120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 39463880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 349, 356, 445, 460, 698, 712, 890, 920, 1396, 1745, 1780, 2047, 2792, 3490, 3560, 4094, 6980, 8027, 8188, 10235, 13960, 16054, 16376, 20470, 31061, 32108, 40135, 40940, 62122, 64216, 80270, 81880, 124244, 155305, 160540, 248488, 310610, 321080, 621220, 714403, 1242440, 1428806, 2857612, 3572015, 5715224, 7144030, 14288060, 28576120]

約数ペア:

[(1, 28576120), (2, 14288060), (4, 7144030), (5, 5715224), (8, 3572015), (10, 2857612), (20, 1428806), (23, 1242440), (40, 714403), (46, 621220), (89, 321080), (92, 310610), (115, 248488), (178, 160540), (184, 155305), (230, 124244), (349, 81880), (356, 80270), (445, 64216), (460, 62122), (698, 40940), (712, 40135), (890, 32108), (920, 31061), (1396, 20470), (1745, 16376), (1780, 16054), (2047, 13960), (2792, 10235), (3490, 8188), (3560, 8027), (4094, 6980)]