25448120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 35031880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 199, 230, 278, 398, 460, 556, 695, 796, 920, 995, 1112, 1390, 1592, 1990, 2780, 3197, 3980, 4577, 5560, 6394, 7960, 9154, 12788, 15985, 18308, 22885, 25576, 27661, 31970, 36616, 45770, 55322, 63940, 91540, 110644, 127880, 138305, 183080, 221288, 276610, 553220, 636203, 1106440, 1272406, 2544812, 3181015, 5089624, 6362030, 12724060, 25448120]

約数ペア:

[(1, 25448120), (2, 12724060), (4, 6362030), (5, 5089624), (8, 3181015), (10, 2544812), (20, 1272406), (23, 1106440), (40, 636203), (46, 553220), (92, 276610), (115, 221288), (139, 183080), (184, 138305), (199, 127880), (230, 110644), (278, 91540), (398, 63940), (460, 55322), (556, 45770), (695, 36616), (796, 31970), (920, 27661), (995, 25576), (1112, 22885), (1390, 18308), (1592, 15985), (1990, 12788), (2780, 9154), (3197, 7960), (3980, 6394), (4577, 5560)]