28164880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15307}}^1$

素因数の和:15343

約数の個数: 40

約数和(自身を含む): 68334912

約数和(自身を除く): 40170032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15307, 30614, 61228, 76535, 122456, 153070, 244912, 306140, 352061, 612280, 704122, 1224560, 1408244, 1760305, 2816488, 3520610, 5632976, 7041220, 14082440, 28164880]

約数ペア:

[(1, 28164880), (2, 14082440), (4, 7041220), (5, 5632976), (8, 3520610), (10, 2816488), (16, 1760305), (20, 1408244), (23, 1224560), (40, 704122), (46, 612280), (80, 352061), (92, 306140), (115, 244912), (184, 153070), (230, 122456), (368, 76535), (460, 61228), (920, 30614), (1840, 15307)]