39897968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7817}}^1$

素因数の和:7865

約数の個数: 40

約数和(自身を含む): 87248880

約数和(自身を除く): 47350912

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 5104, 7817, 15634, 31268, 62536, 85987, 125072, 171974, 226693, 343948, 453386, 687896, 906772, 1375792, 1813544, 2493623, 3627088, 4987246, 9974492, 19948984, 39897968]

約数ペア:

[(1, 39897968), (2, 19948984), (4, 9974492), (8, 4987246), (11, 3627088), (16, 2493623), (22, 1813544), (29, 1375792), (44, 906772), (58, 687896), (88, 453386), (116, 343948), (176, 226693), (232, 171974), (319, 125072), (464, 85987), (638, 62536), (1276, 31268), (2552, 15634), (5104, 7817)]