259548160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 88

約数和(自身を含む): 628445376

約数和(自身を除く): 368897216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 311, 320, 326, 512, 622, 640, 652, 815, 1024, 1244, 1280, 1304, 1555, 1630, 2488, 2560, 2608, 3110, 3260, 4976, 5120, 5216, 6220, 6520, 9952, 10432, 12440, 13040, 19904, 20864, 24880, 26080, 39808, 41728, 49760, 50693, 52160, 79616, 83456, 99520, 101386, 104320, 159232, 166912, 199040, 202772, 208640, 253465, 318464, 398080, 405544, 417280, 506930, 796160, 811088, 834560, 1013860, 1592320, 1622176, 2027720, 3244352, 4055440, 6488704, 8110880, 12977408, 16221760, 25954816, 32443520, 51909632, 64887040, 129774080, 259548160]

約数ペア:

[(1, 259548160), (2, 129774080), (4, 64887040), (5, 51909632), (8, 32443520), (10, 25954816), (16, 16221760), (20, 12977408), (32, 8110880), (40, 6488704), (64, 4055440), (80, 3244352), (128, 2027720), (160, 1622176), (163, 1592320), (256, 1013860), (311, 834560), (320, 811088), (326, 796160), (512, 506930), (622, 417280), (640, 405544), (652, 398080), (815, 318464), (1024, 253465), (1244, 208640), (1280, 202772), (1304, 199040), (1555, 166912), (1630, 159232), (2488, 104320), (2560, 101386), (2608, 99520), (3110, 83456), (3260, 79616), (4976, 52160), (5120, 50693), (5216, 49760), (6220, 41728), (6520, 39808), (9952, 26080), (10432, 24880), (12440, 20864), (13040, 19904)]