25820392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 55944000

約数和(自身を除く): 30123608

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 73, 76, 104, 146, 152, 179, 247, 292, 358, 494, 584, 716, 949, 988, 1387, 1432, 1898, 1976, 2327, 2774, 3401, 3796, 4654, 5548, 6802, 7592, 9308, 11096, 13067, 13604, 18031, 18616, 26134, 27208, 36062, 44213, 52268, 72124, 88426, 104536, 144248, 169871, 176852, 248273, 339742, 353704, 496546, 679484, 993092, 1358968, 1986184, 3227549, 6455098, 12910196, 25820392]

約数ペア:

[(1, 25820392), (2, 12910196), (4, 6455098), (8, 3227549), (13, 1986184), (19, 1358968), (26, 993092), (38, 679484), (52, 496546), (73, 353704), (76, 339742), (104, 248273), (146, 176852), (152, 169871), (179, 144248), (247, 104536), (292, 88426), (358, 72124), (494, 52268), (584, 44213), (716, 36062), (949, 27208), (988, 26134), (1387, 18616), (1432, 18031), (1898, 13604), (1976, 13067), (2327, 11096), (2774, 9308), (3401, 7592), (3796, 6802), (4654, 5548)]