25880660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 63974400

約数和(自身を除く): 38093740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 169, 190, 247, 260, 310, 338, 380, 403, 494, 589, 620, 676, 806, 845, 988, 1178, 1235, 1612, 1690, 2015, 2197, 2356, 2470, 2945, 3211, 3380, 4030, 4394, 4940, 5239, 5890, 6422, 7657, 8060, 8788, 10478, 10985, 11780, 12844, 15314, 16055, 20956, 21970, 26195, 30628, 32110, 38285, 41743, 43940, 52390, 64220, 68107, 76570, 83486, 99541, 104780, 136214, 153140, 166972, 199082, 208715, 272428, 340535, 398164, 417430, 497705, 681070, 834860, 995410, 1294033, 1362140, 1990820, 2588066, 5176132, 6470165, 12940330, 25880660]

約数ペア:

[(1, 25880660), (2, 12940330), (4, 6470165), (5, 5176132), (10, 2588066), (13, 1990820), (19, 1362140), (20, 1294033), (26, 995410), (31, 834860), (38, 681070), (52, 497705), (62, 417430), (65, 398164), (76, 340535), (95, 272428), (124, 208715), (130, 199082), (155, 166972), (169, 153140), (190, 136214), (247, 104780), (260, 99541), (310, 83486), (338, 76570), (380, 68107), (403, 64220), (494, 52390), (589, 43940), (620, 41743), (676, 38285), (806, 32110), (845, 30628), (988, 26195), (1178, 21970), (1235, 20956), (1612, 16055), (1690, 15314), (2015, 12844), (2197, 11780), (2356, 10985), (2470, 10478), (2945, 8788), (3211, 8060), (3380, 7657), (4030, 6422), (4394, 5890), (4940, 5239)]