2108587780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{45307}}^1$

素因数の和:45508

約数の個数: 48

約数和(自身を含む): 4795398720

約数和(自身を除く): 2686810940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 716, 895, 1790, 2327, 3580, 4654, 9308, 11635, 23270, 45307, 46540, 90614, 181228, 226535, 453070, 588991, 906140, 1177982, 2355964, 2944955, 5889910, 8109953, 11779820, 16219906, 32439812, 40549765, 81099530, 105429389, 162199060, 210858778, 421717556, 527146945, 1054293890, 2108587780]

約数ペア:

[(1, 2108587780), (2, 1054293890), (4, 527146945), (5, 421717556), (10, 210858778), (13, 162199060), (20, 105429389), (26, 81099530), (52, 40549765), (65, 32439812), (130, 16219906), (179, 11779820), (260, 8109953), (358, 5889910), (716, 2944955), (895, 2355964), (1790, 1177982), (2327, 906140), (3580, 588991), (4654, 453070), (9308, 226535), (11635, 181228), (23270, 90614), (45307, 46540)]