42084040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 98703360

約数和(自身を除く): 56619320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 383, 410, 536, 670, 766, 820, 1340, 1532, 1640, 1915, 2680, 2747, 3064, 3830, 5494, 7660, 10988, 13735, 15320, 15703, 21976, 25661, 27470, 31406, 51322, 54940, 62812, 78515, 102644, 109880, 125624, 128305, 157030, 205288, 256610, 314060, 513220, 628120, 1026440, 1052101, 2104202, 4208404, 5260505, 8416808, 10521010, 21042020, 42084040]

約数ペア:

[(1, 42084040), (2, 21042020), (4, 10521010), (5, 8416808), (8, 5260505), (10, 4208404), (20, 2104202), (40, 1052101), (41, 1026440), (67, 628120), (82, 513220), (134, 314060), (164, 256610), (205, 205288), (268, 157030), (328, 128305), (335, 125624), (383, 109880), (410, 102644), (536, 78515), (670, 62812), (766, 54940), (820, 51322), (1340, 31406), (1532, 27470), (1640, 25661), (1915, 21976), (2680, 15703), (2747, 15320), (3064, 13735), (3830, 10988), (5494, 7660)]