2012131280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4092

約数の個数: 80

約数和(自身を含む): 4802371200

約数和(自身を除く): 2790239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 109, 118, 218, 236, 295, 436, 472, 545, 590, 872, 944, 1090, 1180, 1744, 2180, 2360, 3911, 4360, 4720, 6431, 7822, 8720, 12862, 15644, 19555, 25724, 31288, 32155, 39110, 51448, 62576, 64310, 78220, 102896, 128620, 156440, 230749, 257240, 312880, 426299, 461498, 514480, 852598, 922996, 1153745, 1705196, 1845992, 2131495, 2307490, 3410392, 3691984, 4262990, 4614980, 6820784, 8525980, 9229960, 17051960, 18459920, 25151641, 34103920, 50303282, 100606564, 125758205, 201213128, 251516410, 402426256, 503032820, 1006065640, 2012131280]

約数ペア:

[(1, 2012131280), (2, 1006065640), (4, 503032820), (5, 402426256), (8, 251516410), (10, 201213128), (16, 125758205), (20, 100606564), (40, 50303282), (59, 34103920), (80, 25151641), (109, 18459920), (118, 17051960), (218, 9229960), (236, 8525980), (295, 6820784), (436, 4614980), (472, 4262990), (545, 3691984), (590, 3410392), (872, 2307490), (944, 2131495), (1090, 1845992), (1180, 1705196), (1744, 1153745), (2180, 922996), (2360, 852598), (3911, 514480), (4360, 461498), (4720, 426299), (6431, 312880), (7822, 257240), (8720, 230749), (12862, 156440), (15644, 128620), (19555, 102896), (25724, 78220), (31288, 64310), (32155, 62576), (39110, 51448)]