220295680

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7823}}^1$

素因数の和:7857

約数の個数: 80

約数和(自身を含む): 576284544

約数和(自身を除く): 355988864

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, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 7823, 14080, 15646, 28160, 31292, 39115, 62584, 78230, 86053, 125168, 156460, 172106, 250336, 312920, 344212, 430265, 500672, 625840, 688424, 860530, 1001344, 1251680, 1376848, 1721060, 2002688, 2503360, 2753696, 3442120, 4005376, 5006720, 5507392, 6884240, 10013440, 11014784, 13768480, 20026880, 22029568, 27536960, 44059136, 55073920, 110147840, 220295680]

約数ペア:

[(1, 220295680), (2, 110147840), (4, 55073920), (5, 44059136), (8, 27536960), (10, 22029568), (11, 20026880), (16, 13768480), (20, 11014784), (22, 10013440), (32, 6884240), (40, 5507392), (44, 5006720), (55, 4005376), (64, 3442120), (80, 2753696), (88, 2503360), (110, 2002688), (128, 1721060), (160, 1376848), (176, 1251680), (220, 1001344), (256, 860530), (320, 688424), (352, 625840), (440, 500672), (512, 430265), (640, 344212), (704, 312920), (880, 250336), (1280, 172106), (1408, 156460), (1760, 125168), (2560, 86053), (2816, 78230), (3520, 62584), (5632, 39115), (7040, 31292), (7823, 28160), (14080, 15646)]