26890240

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 104

約数和(自身を含む): 70180488

約数和(自身を除く): 43290248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 128, 130, 160, 202, 208, 256, 260, 320, 404, 416, 505, 512, 520, 640, 808, 832, 1010, 1024, 1040, 1280, 1313, 1616, 1664, 2020, 2048, 2080, 2560, 2626, 3232, 3328, 4040, 4096, 4160, 5120, 5252, 6464, 6565, 6656, 8080, 8320, 10240, 10504, 12928, 13130, 13312, 16160, 16640, 20480, 21008, 25856, 26260, 26624, 32320, 33280, 42016, 51712, 52520, 53248, 64640, 66560, 84032, 103424, 105040, 129280, 133120, 168064, 206848, 210080, 258560, 266240, 336128, 413696, 420160, 517120, 672256, 840320, 1034240, 1344512, 1680640, 2068480, 2689024, 3361280, 5378048, 6722560, 13445120, 26890240]

約数ペア:

[(1, 26890240), (2, 13445120), (4, 6722560), (5, 5378048), (8, 3361280), (10, 2689024), (13, 2068480), (16, 1680640), (20, 1344512), (26, 1034240), (32, 840320), (40, 672256), (52, 517120), (64, 420160), (65, 413696), (80, 336128), (101, 266240), (104, 258560), (128, 210080), (130, 206848), (160, 168064), (202, 133120), (208, 129280), (256, 105040), (260, 103424), (320, 84032), (404, 66560), (416, 64640), (505, 53248), (512, 52520), (520, 51712), (640, 42016), (808, 33280), (832, 32320), (1010, 26624), (1024, 26260), (1040, 25856), (1280, 21008), (1313, 20480), (1616, 16640), (1664, 16160), (2020, 13312), (2048, 13130), (2080, 12928), (2560, 10504), (2626, 10240), (3232, 8320), (3328, 8080), (4040, 6656), (4096, 6565), (4160, 6464), (5120, 5252)]