51568640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1259}}^1$

素因数の和:1290

約数の個数: 56

約数和(自身を含む): 123855480

約数和(自身を除く): 72286840

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, 8192, 10072, 10240, 12590, 20144, 20480, 25180, 40288, 40960, 50360, 80576, 100720, 161152, 201440, 322304, 402880, 644608, 805760, 1289216, 1611520, 2578432, 3223040, 5156864, 6446080, 10313728, 12892160, 25784320, 51568640]

約数ペア:

[(1, 51568640), (2, 25784320), (4, 12892160), (5, 10313728), (8, 6446080), (10, 5156864), (16, 3223040), (20, 2578432), (32, 1611520), (40, 1289216), (64, 805760), (80, 644608), (128, 402880), (160, 322304), (256, 201440), (320, 161152), (512, 100720), (640, 80576), (1024, 50360), (1259, 40960), (1280, 40288), (2048, 25180), (2518, 20480), (2560, 20144), (4096, 12590), (5036, 10240), (5120, 10072), (6295, 8192)]