260425984

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1640

約数の個数: 108

約数和(自身を含む): 651629244

約数和(自身を除く): 391203260

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1597, 1664, 1792, 2548, 2912, 3136, 3194, 3328, 5096, 5824, 6272, 6388, 10192, 11179, 11648, 12544, 12776, 20384, 20761, 22358, 23296, 25552, 40768, 41522, 44716, 51104, 78253, 81536, 83044, 89432, 102208, 145327, 156506, 163072, 166088, 178864, 204416, 290654, 313012, 332176, 357728, 408832, 581308, 626024, 664352, 715456, 1017289, 1162616, 1252048, 1328704, 1430912, 2034578, 2325232, 2504096, 2657408, 2861824, 4069156, 4650464, 5008192, 5314816, 8138312, 9300928, 10016384, 16276624, 18601856, 20032768, 32553248, 37203712, 65106496, 130212992, 260425984]

約数ペア:

[(1, 260425984), (2, 130212992), (4, 65106496), (7, 37203712), (8, 32553248), (13, 20032768), (14, 18601856), (16, 16276624), (26, 10016384), (28, 9300928), (32, 8138312), (49, 5314816), (52, 5008192), (56, 4650464), (64, 4069156), (91, 2861824), (98, 2657408), (104, 2504096), (112, 2325232), (128, 2034578), (182, 1430912), (196, 1328704), (208, 1252048), (224, 1162616), (256, 1017289), (364, 715456), (392, 664352), (416, 626024), (448, 581308), (637, 408832), (728, 357728), (784, 332176), (832, 313012), (896, 290654), (1274, 204416), (1456, 178864), (1568, 166088), (1597, 163072), (1664, 156506), (1792, 145327), (2548, 102208), (2912, 89432), (3136, 83044), (3194, 81536), (3328, 78253), (5096, 51104), (5824, 44716), (6272, 41522), (6388, 40768), (10192, 25552), (11179, 23296), (11648, 22358), (12544, 20761), (12776, 20384)]