16158920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 21943480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 167, 205, 236, 295, 328, 334, 410, 472, 590, 668, 820, 835, 1180, 1336, 1640, 1670, 2360, 2419, 3340, 4838, 6680, 6847, 9676, 9853, 12095, 13694, 19352, 19706, 24190, 27388, 34235, 39412, 48380, 49265, 54776, 68470, 78824, 96760, 98530, 136940, 197060, 273880, 394120, 403973, 807946, 1615892, 2019865, 3231784, 4039730, 8079460, 16158920]

約数ペア:

[(1, 16158920), (2, 8079460), (4, 4039730), (5, 3231784), (8, 2019865), (10, 1615892), (20, 807946), (40, 403973), (41, 394120), (59, 273880), (82, 197060), (118, 136940), (164, 98530), (167, 96760), (205, 78824), (236, 68470), (295, 54776), (328, 49265), (334, 48380), (410, 39412), (472, 34235), (590, 27388), (668, 24190), (820, 19706), (835, 19352), (1180, 13694), (1336, 12095), (1640, 9853), (1670, 9676), (2360, 6847), (2419, 6680), (3340, 4838)]