1025488640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 2701562976

約数和(自身を除く): 1676074336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 173, 176, 220, 256, 320, 346, 352, 421, 440, 640, 692, 704, 842, 865, 880, 1280, 1384, 1408, 1684, 1730, 1760, 1903, 2105, 2768, 2816, 3368, 3460, 3520, 3806, 4210, 4631, 5536, 6736, 6920, 7040, 7612, 8420, 9262, 9515, 11072, 13472, 13840, 14080, 15224, 16840, 18524, 19030, 22144, 23155, 26944, 27680, 30448, 33680, 37048, 38060, 44288, 46310, 53888, 55360, 60896, 67360, 72833, 74096, 76120, 92620, 107776, 110720, 121792, 134720, 145666, 148192, 152240, 185240, 221440, 243584, 269440, 291332, 296384, 304480, 364165, 370480, 487168, 538880, 582664, 592768, 608960, 728330, 740960, 801163, 1165328, 1185536, 1217920, 1456660, 1481920, 1602326, 2330656, 2435840, 2913320, 2963840, 3204652, 4005815, 4661312, 5826640, 5927680, 6409304, 8011630, 9322624, 11653280, 12818608, 16023260, 18645248, 23306560, 25637216, 32046520, 46613120, 51274432, 64093040, 93226240, 102548864, 128186080, 205097728, 256372160, 512744320, 1025488640]

約数ペア:

[(1, 1025488640), (2, 512744320), (4, 256372160), (5, 205097728), (8, 128186080), (10, 102548864), (11, 93226240), (16, 64093040), (20, 51274432), (22, 46613120), (32, 32046520), (40, 25637216), (44, 23306560), (55, 18645248), (64, 16023260), (80, 12818608), (88, 11653280), (110, 9322624), (128, 8011630), (160, 6409304), (173, 5927680), (176, 5826640), (220, 4661312), (256, 4005815), (320, 3204652), (346, 2963840), (352, 2913320), (421, 2435840), (440, 2330656), (640, 1602326), (692, 1481920), (704, 1456660), (842, 1217920), (865, 1185536), (880, 1165328), (1280, 801163), (1384, 740960), (1408, 728330), (1684, 608960), (1730, 592768), (1760, 582664), (1903, 538880), (2105, 487168), (2768, 370480), (2816, 364165), (3368, 304480), (3460, 296384), (3520, 291332), (3806, 269440), (4210, 243584), (4631, 221440), (5536, 185240), (6736, 152240), (6920, 148192), (7040, 145666), (7612, 134720), (8420, 121792), (9262, 110720), (9515, 107776), (11072, 92620), (13472, 76120), (13840, 74096), (14080, 72833), (15224, 67360), (16840, 60896), (18524, 55360), (19030, 53888), (22144, 46310), (23155, 44288), (26944, 38060), (27680, 37048), (30448, 33680)]