25605580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 96

約数和(自身を含む): 72253440

約数和(自身を除く): 46647860

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1279, 1430, 1540, 1820, 2002, 2558, 2860, 4004, 5005, 5116, 6395, 8953, 10010, 12790, 14069, 16627, 17906, 20020, 25580, 28138, 33254, 35812, 44765, 56276, 66508, 70345, 83135, 89530, 98483, 116389, 140690, 166270, 179060, 182897, 196966, 232778, 281380, 332540, 365794, 393932, 465556, 492415, 581945, 731588, 914485, 984830, 1163890, 1280279, 1828970, 1969660, 2327780, 2560558, 3657940, 5121116, 6401395, 12802790, 25605580]

約数ペア:

[(1, 25605580), (2, 12802790), (4, 6401395), (5, 5121116), (7, 3657940), (10, 2560558), (11, 2327780), (13, 1969660), (14, 1828970), (20, 1280279), (22, 1163890), (26, 984830), (28, 914485), (35, 731588), (44, 581945), (52, 492415), (55, 465556), (65, 393932), (70, 365794), (77, 332540), (91, 281380), (110, 232778), (130, 196966), (140, 182897), (143, 179060), (154, 166270), (182, 140690), (220, 116389), (260, 98483), (286, 89530), (308, 83135), (364, 70345), (385, 66508), (455, 56276), (572, 44765), (715, 35812), (770, 33254), (910, 28138), (1001, 25580), (1279, 20020), (1430, 17906), (1540, 16627), (1820, 14069), (2002, 12790), (2558, 10010), (2860, 8953), (4004, 6395), (5005, 5116)]