25771520

素因数分解:

$2^9\times 5^1\times {\mathrm{10067}}^1$

素因数の和:10090

約数の個数: 40

約数和(自身を含む): 61797384

約数和(自身を除く): 36025864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10067, 20134, 40268, 50335, 80536, 100670, 161072, 201340, 322144, 402680, 644288, 805360, 1288576, 1610720, 2577152, 3221440, 5154304, 6442880, 12885760, 25771520]

約数ペア:

[(1, 25771520), (2, 12885760), (4, 6442880), (5, 5154304), (8, 3221440), (10, 2577152), (16, 1610720), (20, 1288576), (32, 805360), (40, 644288), (64, 402680), (80, 322144), (128, 201340), (160, 161072), (256, 100670), (320, 80536), (512, 50335), (640, 40268), (1280, 20134), (2560, 10067)]