201681920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3581}}^1$

素因数の和:3617

約数の個数: 88

約数和(自身を含む): 527929488

約数和(自身を除く): 326247568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 3581, 5120, 5632, 7040, 7162, 11264, 14080, 14324, 17905, 28160, 28648, 35810, 39391, 56320, 57296, 71620, 78782, 114592, 143240, 157564, 196955, 229184, 286480, 315128, 393910, 458368, 572960, 630256, 787820, 916736, 1145920, 1260512, 1575640, 1833472, 2291840, 2521024, 3151280, 3666944, 4583680, 5042048, 6302560, 9167360, 10084096, 12605120, 18334720, 20168192, 25210240, 40336384, 50420480, 100840960, 201681920]

約数ペア:

[(1, 201681920), (2, 100840960), (4, 50420480), (5, 40336384), (8, 25210240), (10, 20168192), (11, 18334720), (16, 12605120), (20, 10084096), (22, 9167360), (32, 6302560), (40, 5042048), (44, 4583680), (55, 3666944), (64, 3151280), (80, 2521024), (88, 2291840), (110, 1833472), (128, 1575640), (160, 1260512), (176, 1145920), (220, 916736), (256, 787820), (320, 630256), (352, 572960), (440, 458368), (512, 393910), (640, 315128), (704, 286480), (880, 229184), (1024, 196955), (1280, 157564), (1408, 143240), (1760, 114592), (2560, 78782), (2816, 71620), (3520, 57296), (3581, 56320), (5120, 39391), (5632, 35810), (7040, 28648), (7162, 28160), (11264, 17905), (14080, 14324)]