84126440

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12157}}^1$

素因数の和:12341

約数の個数: 32

約数和(自身を含む): 190394280

約数和(自身を除く): 106267840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12157, 24314, 48628, 60785, 97256, 121570, 243140, 486280, 2103161, 4206322, 8412644, 10515805, 16825288, 21031610, 42063220, 84126440]

約数ペア:

[(1, 84126440), (2, 42063220), (4, 21031610), (5, 16825288), (8, 10515805), (10, 8412644), (20, 4206322), (40, 2103161), (173, 486280), (346, 243140), (692, 121570), (865, 97256), (1384, 60785), (1730, 48628), (3460, 24314), (6920, 12157)]