25516544

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 55814880

約数和(自身を除く): 30298336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 61, 64, 76, 86, 122, 128, 152, 172, 244, 256, 304, 344, 488, 512, 608, 688, 817, 976, 1159, 1216, 1376, 1634, 1952, 2318, 2432, 2623, 2752, 3268, 3904, 4636, 4864, 5246, 5504, 6536, 7808, 9272, 9728, 10492, 11008, 13072, 15616, 18544, 20984, 22016, 26144, 31232, 37088, 41968, 49837, 52288, 74176, 83936, 99674, 104576, 148352, 167872, 199348, 209152, 296704, 335744, 398696, 418304, 593408, 671488, 797392, 1342976, 1594784, 3189568, 6379136, 12758272, 25516544]

約数ペア:

[(1, 25516544), (2, 12758272), (4, 6379136), (8, 3189568), (16, 1594784), (19, 1342976), (32, 797392), (38, 671488), (43, 593408), (61, 418304), (64, 398696), (76, 335744), (86, 296704), (122, 209152), (128, 199348), (152, 167872), (172, 148352), (244, 104576), (256, 99674), (304, 83936), (344, 74176), (488, 52288), (512, 49837), (608, 41968), (688, 37088), (817, 31232), (976, 26144), (1159, 22016), (1216, 20984), (1376, 18544), (1634, 15616), (1952, 13072), (2318, 11008), (2432, 10492), (2623, 9728), (2752, 9272), (3268, 7808), (3904, 6536), (4636, 5504), (4864, 5246)]