51580048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 113048320

約数和(自身を除く): 61468272

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 73, 79, 86, 104, 146, 158, 172, 208, 292, 316, 344, 559, 584, 632, 688, 949, 1027, 1118, 1168, 1264, 1898, 2054, 2236, 3139, 3397, 3796, 4108, 4472, 5767, 6278, 6794, 7592, 8216, 8944, 11534, 12556, 13588, 15184, 16432, 23068, 25112, 27176, 40807, 44161, 46136, 50224, 54352, 74971, 81614, 88322, 92272, 149942, 163228, 176644, 247981, 299884, 326456, 353288, 495962, 599768, 652912, 706576, 991924, 1199536, 1983848, 3223753, 3967696, 6447506, 12895012, 25790024, 51580048]

約数ペア:

[(1, 51580048), (2, 25790024), (4, 12895012), (8, 6447506), (13, 3967696), (16, 3223753), (26, 1983848), (43, 1199536), (52, 991924), (73, 706576), (79, 652912), (86, 599768), (104, 495962), (146, 353288), (158, 326456), (172, 299884), (208, 247981), (292, 176644), (316, 163228), (344, 149942), (559, 92272), (584, 88322), (632, 81614), (688, 74971), (949, 54352), (1027, 50224), (1118, 46136), (1168, 44161), (1264, 40807), (1898, 27176), (2054, 25112), (2236, 23068), (3139, 16432), (3397, 15184), (3796, 13588), (4108, 12556), (4472, 11534), (5767, 8944), (6278, 8216), (6794, 7592)]