25648640

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 63196848

約数和(自身を除く): 37548208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 233, 256, 320, 344, 430, 466, 512, 640, 688, 860, 932, 1165, 1280, 1376, 1720, 1864, 2330, 2560, 2752, 3440, 3728, 4660, 5504, 6880, 7456, 9320, 10019, 11008, 13760, 14912, 18640, 20038, 22016, 27520, 29824, 37280, 40076, 50095, 55040, 59648, 74560, 80152, 100190, 110080, 119296, 149120, 160304, 200380, 298240, 320608, 400760, 596480, 641216, 801520, 1282432, 1603040, 2564864, 3206080, 5129728, 6412160, 12824320, 25648640]

約数ペア:

[(1, 25648640), (2, 12824320), (4, 6412160), (5, 5129728), (8, 3206080), (10, 2564864), (16, 1603040), (20, 1282432), (32, 801520), (40, 641216), (43, 596480), (64, 400760), (80, 320608), (86, 298240), (128, 200380), (160, 160304), (172, 149120), (215, 119296), (233, 110080), (256, 100190), (320, 80152), (344, 74560), (430, 59648), (466, 55040), (512, 50095), (640, 40076), (688, 37280), (860, 29824), (932, 27520), (1165, 22016), (1280, 20038), (1376, 18640), (1720, 14912), (1864, 13760), (2330, 11008), (2560, 10019), (2752, 9320), (3440, 7456), (3728, 6880), (4660, 5504)]