25825280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 104

約数和(自身を含む): 67428312

約数和(自身を除く): 41603032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 97, 104, 128, 130, 160, 194, 208, 256, 260, 320, 388, 416, 485, 512, 520, 640, 776, 832, 970, 1024, 1040, 1261, 1280, 1552, 1664, 1940, 2048, 2080, 2522, 2560, 3104, 3328, 3880, 4096, 4160, 5044, 5120, 6208, 6305, 6656, 7760, 8320, 10088, 10240, 12416, 12610, 13312, 15520, 16640, 20176, 20480, 24832, 25220, 26624, 31040, 33280, 40352, 49664, 50440, 53248, 62080, 66560, 80704, 99328, 100880, 124160, 133120, 161408, 198656, 201760, 248320, 266240, 322816, 397312, 403520, 496640, 645632, 807040, 993280, 1291264, 1614080, 1986560, 2582528, 3228160, 5165056, 6456320, 12912640, 25825280]

約数ペア:

[(1, 25825280), (2, 12912640), (4, 6456320), (5, 5165056), (8, 3228160), (10, 2582528), (13, 1986560), (16, 1614080), (20, 1291264), (26, 993280), (32, 807040), (40, 645632), (52, 496640), (64, 403520), (65, 397312), (80, 322816), (97, 266240), (104, 248320), (128, 201760), (130, 198656), (160, 161408), (194, 133120), (208, 124160), (256, 100880), (260, 99328), (320, 80704), (388, 66560), (416, 62080), (485, 53248), (512, 50440), (520, 49664), (640, 40352), (776, 33280), (832, 31040), (970, 26624), (1024, 25220), (1040, 24832), (1261, 20480), (1280, 20176), (1552, 16640), (1664, 15520), (1940, 13312), (2048, 12610), (2080, 12416), (2522, 10240), (2560, 10088), (3104, 8320), (3328, 7760), (3880, 6656), (4096, 6305), (4160, 6208), (5044, 5120)]