39704528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1155

約数の個数: 40

約数和(自身を含む): 81676320

約数和(自身を除く): 41971792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 997, 1048, 1994, 2096, 2489, 3988, 4978, 7976, 9956, 15952, 18943, 19912, 37886, 39824, 75772, 130607, 151544, 261214, 303088, 522428, 1044856, 2089712, 2481533, 4963066, 9926132, 19852264, 39704528]

約数ペア:

[(1, 39704528), (2, 19852264), (4, 9926132), (8, 4963066), (16, 2481533), (19, 2089712), (38, 1044856), (76, 522428), (131, 303088), (152, 261214), (262, 151544), (304, 130607), (524, 75772), (997, 39824), (1048, 37886), (1994, 19912), (2096, 18943), (2489, 15952), (3988, 9956), (4978, 7976)]