13991680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 35541072

約数和(自身を除く): 21549392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 643, 680, 1088, 1280, 1286, 1360, 2176, 2572, 2720, 3215, 4352, 5144, 5440, 6430, 10288, 10880, 10931, 12860, 20576, 21760, 21862, 25720, 41152, 43724, 51440, 54655, 82304, 87448, 102880, 109310, 164608, 174896, 205760, 218620, 349792, 411520, 437240, 699584, 823040, 874480, 1399168, 1748960, 2798336, 3497920, 6995840, 13991680]

約数ペア:

[(1, 13991680), (2, 6995840), (4, 3497920), (5, 2798336), (8, 1748960), (10, 1399168), (16, 874480), (17, 823040), (20, 699584), (32, 437240), (34, 411520), (40, 349792), (64, 218620), (68, 205760), (80, 174896), (85, 164608), (128, 109310), (136, 102880), (160, 87448), (170, 82304), (256, 54655), (272, 51440), (320, 43724), (340, 41152), (544, 25720), (640, 21862), (643, 21760), (680, 20576), (1088, 12860), (1280, 10931), (1286, 10880), (1360, 10288), (2176, 6430), (2572, 5440), (2720, 5144), (3215, 4352)]