25957504

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 29856896

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 151, 158, 272, 302, 316, 544, 604, 632, 1088, 1208, 1264, 1343, 2176, 2416, 2528, 2567, 2686, 4832, 5056, 5134, 5372, 9664, 10112, 10268, 10744, 11929, 19328, 20536, 21488, 23858, 41072, 42976, 47716, 82144, 85952, 95432, 164288, 171904, 190864, 202793, 328576, 381728, 405586, 763456, 811172, 1526912, 1622344, 3244688, 6489376, 12978752, 25957504]

約数ペア:

[(1, 25957504), (2, 12978752), (4, 6489376), (8, 3244688), (16, 1622344), (17, 1526912), (32, 811172), (34, 763456), (64, 405586), (68, 381728), (79, 328576), (128, 202793), (136, 190864), (151, 171904), (158, 164288), (272, 95432), (302, 85952), (316, 82144), (544, 47716), (604, 42976), (632, 41072), (1088, 23858), (1208, 21488), (1264, 20536), (1343, 19328), (2176, 11929), (2416, 10744), (2528, 10268), (2567, 10112), (2686, 9664), (4832, 5372), (5056, 5134)]