87618560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 88

約数和(自身を含む): 213461160

約数和(自身を除く): 125842600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 157, 160, 218, 256, 314, 320, 436, 512, 545, 628, 640, 785, 872, 1024, 1090, 1256, 1280, 1570, 1744, 2180, 2512, 2560, 3140, 3488, 4360, 5024, 5120, 6280, 6976, 8720, 10048, 12560, 13952, 17113, 17440, 20096, 25120, 27904, 34226, 34880, 40192, 50240, 55808, 68452, 69760, 80384, 85565, 100480, 111616, 136904, 139520, 160768, 171130, 200960, 273808, 279040, 342260, 401920, 547616, 558080, 684520, 803840, 1095232, 1369040, 2190464, 2738080, 4380928, 5476160, 8761856, 10952320, 17523712, 21904640, 43809280, 87618560]

約数ペア:

[(1, 87618560), (2, 43809280), (4, 21904640), (5, 17523712), (8, 10952320), (10, 8761856), (16, 5476160), (20, 4380928), (32, 2738080), (40, 2190464), (64, 1369040), (80, 1095232), (109, 803840), (128, 684520), (157, 558080), (160, 547616), (218, 401920), (256, 342260), (314, 279040), (320, 273808), (436, 200960), (512, 171130), (545, 160768), (628, 139520), (640, 136904), (785, 111616), (872, 100480), (1024, 85565), (1090, 80384), (1256, 69760), (1280, 68452), (1570, 55808), (1744, 50240), (2180, 40192), (2512, 34880), (2560, 34226), (3140, 27904), (3488, 25120), (4360, 20096), (5024, 17440), (5120, 17113), (6280, 13952), (6976, 12560), (8720, 10048)]