25226240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 88

約数和(自身を含む): 65340240

約数和(自身を除く): 40114000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 379, 416, 512, 520, 640, 758, 832, 1024, 1040, 1280, 1516, 1664, 1895, 2080, 2560, 3032, 3328, 3790, 4160, 4927, 5120, 6064, 6656, 7580, 8320, 9854, 12128, 13312, 15160, 16640, 19708, 24256, 24635, 30320, 33280, 39416, 48512, 49270, 60640, 66560, 78832, 97024, 98540, 121280, 157664, 194048, 197080, 242560, 315328, 388096, 394160, 485120, 630656, 788320, 970240, 1261312, 1576640, 1940480, 2522624, 3153280, 5045248, 6306560, 12613120, 25226240]

約数ペア:

[(1, 25226240), (2, 12613120), (4, 6306560), (5, 5045248), (8, 3153280), (10, 2522624), (13, 1940480), (16, 1576640), (20, 1261312), (26, 970240), (32, 788320), (40, 630656), (52, 485120), (64, 394160), (65, 388096), (80, 315328), (104, 242560), (128, 197080), (130, 194048), (160, 157664), (208, 121280), (256, 98540), (260, 97024), (320, 78832), (379, 66560), (416, 60640), (512, 49270), (520, 48512), (640, 39416), (758, 33280), (832, 30320), (1024, 24635), (1040, 24256), (1280, 19708), (1516, 16640), (1664, 15160), (1895, 13312), (2080, 12128), (2560, 9854), (3032, 8320), (3328, 7580), (3790, 6656), (4160, 6064), (4927, 5120)]