25140724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 55476960

約数和(自身を除く): 30336236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 157, 172, 196, 266, 301, 314, 532, 602, 628, 817, 931, 1099, 1204, 1634, 1862, 2107, 2198, 2983, 3268, 3724, 4214, 4396, 5719, 5966, 6751, 7693, 8428, 11438, 11932, 13502, 15386, 20881, 22876, 27004, 30772, 40033, 41762, 47257, 80066, 83524, 94514, 128269, 146167, 160132, 189028, 256538, 292334, 330799, 513076, 584668, 661598, 897883, 1323196, 1795766, 3591532, 6285181, 12570362, 25140724]

約数ペア:

[(1, 25140724), (2, 12570362), (4, 6285181), (7, 3591532), (14, 1795766), (19, 1323196), (28, 897883), (38, 661598), (43, 584668), (49, 513076), (76, 330799), (86, 292334), (98, 256538), (133, 189028), (157, 160132), (172, 146167), (196, 128269), (266, 94514), (301, 83524), (314, 80066), (532, 47257), (602, 41762), (628, 40033), (817, 30772), (931, 27004), (1099, 22876), (1204, 20881), (1634, 15386), (1862, 13502), (2107, 11932), (2198, 11438), (2983, 8428), (3268, 7693), (3724, 6751), (4214, 5966), (4396, 5719)]