1640259712

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20158

約数の個数: 96

約数和(自身を含む): 4093811820

約数和(自身を除く): 2453552108

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, 364, 392, 416, 448, 637, 728, 784, 832, 896, 1274, 1456, 1568, 1664, 2548, 2912, 3136, 5096, 5824, 6272, 10192, 11648, 20117, 20384, 40234, 40768, 80468, 81536, 140819, 160936, 261521, 281638, 321872, 523042, 563276, 643744, 985733, 1046084, 1126552, 1287488, 1830647, 1971466, 2092168, 2253104, 2574976, 3661294, 3942932, 4184336, 4506208, 7322588, 7885864, 8368672, 9012416, 12814529, 14645176, 15771728, 16737344, 18024832, 25629058, 29290352, 31543456, 33474688, 51258116, 58580704, 63086912, 102516232, 117161408, 126173824, 205032464, 234322816, 410064928, 820129856, 1640259712]

約数ペア:

[(1, 1640259712), (2, 820129856), (4, 410064928), (7, 234322816), (8, 205032464), (13, 126173824), (14, 117161408), (16, 102516232), (26, 63086912), (28, 58580704), (32, 51258116), (49, 33474688), (52, 31543456), (56, 29290352), (64, 25629058), (91, 18024832), (98, 16737344), (104, 15771728), (112, 14645176), (128, 12814529), (182, 9012416), (196, 8368672), (208, 7885864), (224, 7322588), (364, 4506208), (392, 4184336), (416, 3942932), (448, 3661294), (637, 2574976), (728, 2253104), (784, 2092168), (832, 1971466), (896, 1830647), (1274, 1287488), (1456, 1126552), (1568, 1046084), (1664, 985733), (2548, 643744), (2912, 563276), (3136, 523042), (5096, 321872), (5824, 281638), (6272, 261521), (10192, 160936), (11648, 140819), (20117, 81536), (20384, 80468), (40234, 40768)]