25320464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 57288000

約数和(自身を除く): 31967536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 76, 86, 104, 149, 152, 172, 208, 247, 298, 304, 344, 494, 559, 596, 688, 817, 988, 1118, 1192, 1634, 1937, 1976, 2236, 2384, 2831, 3268, 3874, 3952, 4472, 5662, 6407, 6536, 7748, 8944, 10621, 11324, 12814, 13072, 15496, 21242, 22648, 25628, 30992, 36803, 42484, 45296, 51256, 73606, 83291, 84968, 102512, 121733, 147212, 166582, 169936, 243466, 294424, 333164, 486932, 588848, 666328, 973864, 1332656, 1582529, 1947728, 3165058, 6330116, 12660232, 25320464]

約数ペア:

[(1, 25320464), (2, 12660232), (4, 6330116), (8, 3165058), (13, 1947728), (16, 1582529), (19, 1332656), (26, 973864), (38, 666328), (43, 588848), (52, 486932), (76, 333164), (86, 294424), (104, 243466), (149, 169936), (152, 166582), (172, 147212), (208, 121733), (247, 102512), (298, 84968), (304, 83291), (344, 73606), (494, 51256), (559, 45296), (596, 42484), (688, 36803), (817, 30992), (988, 25628), (1118, 22648), (1192, 21242), (1634, 15496), (1937, 13072), (1976, 12814), (2236, 11324), (2384, 10621), (2831, 8944), (3268, 7748), (3874, 6536), (3952, 6407), (4472, 5662)]