25784320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1259}}^1$

素因数の和:1288

約数の個数: 52

約数和(自身を含む): 61923960

約数和(自身を除く): 36139640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1259, 1280, 2048, 2518, 2560, 4096, 5036, 5120, 6295, 10072, 10240, 12590, 20144, 20480, 25180, 40288, 50360, 80576, 100720, 161152, 201440, 322304, 402880, 644608, 805760, 1289216, 1611520, 2578432, 3223040, 5156864, 6446080, 12892160, 25784320]

約数ペア:

[(1, 25784320), (2, 12892160), (4, 6446080), (5, 5156864), (8, 3223040), (10, 2578432), (16, 1611520), (20, 1289216), (32, 805760), (40, 644608), (64, 402880), (80, 322304), (128, 201440), (160, 161152), (256, 100720), (320, 80576), (512, 50360), (640, 40288), (1024, 25180), (1259, 20480), (1280, 20144), (2048, 12590), (2518, 10240), (2560, 10072), (4096, 6295), (5036, 5120)]