25320616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29111384

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 239, 323, 328, 478, 646, 697, 779, 956, 1292, 1394, 1558, 1912, 2584, 2788, 3116, 4063, 4541, 5576, 6232, 8126, 9082, 9799, 13243, 16252, 18164, 19598, 26486, 32504, 36328, 39196, 52972, 77197, 78392, 105944, 154394, 166583, 186181, 308788, 333166, 372362, 617576, 666332, 744724, 1332664, 1489448, 3165077, 6330154, 12660308, 25320616]

約数ペア:

[(1, 25320616), (2, 12660308), (4, 6330154), (8, 3165077), (17, 1489448), (19, 1332664), (34, 744724), (38, 666332), (41, 617576), (68, 372362), (76, 333166), (82, 308788), (136, 186181), (152, 166583), (164, 154394), (239, 105944), (323, 78392), (328, 77197), (478, 52972), (646, 39196), (697, 36328), (779, 32504), (956, 26486), (1292, 19598), (1394, 18164), (1558, 16252), (1912, 13243), (2584, 9799), (2788, 9082), (3116, 8126), (4063, 6232), (4541, 5576)]