25321712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 31341328

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 67, 79, 92, 104, 134, 158, 184, 208, 268, 299, 316, 368, 536, 598, 632, 871, 1027, 1072, 1196, 1264, 1541, 1742, 1817, 2054, 2392, 3082, 3484, 3634, 4108, 4784, 5293, 6164, 6968, 7268, 8216, 10586, 12328, 13936, 14536, 16432, 20033, 21172, 23621, 24656, 29072, 40066, 42344, 47242, 68809, 80132, 84688, 94484, 121739, 137618, 160264, 188968, 243478, 275236, 320528, 377936, 486956, 550472, 973912, 1100944, 1582607, 1947824, 3165214, 6330428, 12660856, 25321712]

約数ペア:

[(1, 25321712), (2, 12660856), (4, 6330428), (8, 3165214), (13, 1947824), (16, 1582607), (23, 1100944), (26, 973912), (46, 550472), (52, 486956), (67, 377936), (79, 320528), (92, 275236), (104, 243478), (134, 188968), (158, 160264), (184, 137618), (208, 121739), (268, 94484), (299, 84688), (316, 80132), (368, 68809), (536, 47242), (598, 42344), (632, 40066), (871, 29072), (1027, 24656), (1072, 23621), (1196, 21172), (1264, 20033), (1541, 16432), (1742, 14536), (1817, 13936), (2054, 12328), (2392, 10586), (3082, 8216), (3484, 7268), (3634, 6968), (4108, 6164), (4784, 5293)]