184428520

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7193}}^1$

素因数の和:7845

約数の個数: 32

約数和(自身を含む): 415669320

約数和(自身を除く): 231240800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 7193, 12820, 14386, 25640, 28772, 35965, 57544, 71930, 143860, 287720, 4610713, 9221426, 18442852, 23053565, 36885704, 46107130, 92214260, 184428520]

約数ペア:

[(1, 184428520), (2, 92214260), (4, 46107130), (5, 36885704), (8, 23053565), (10, 18442852), (20, 9221426), (40, 4610713), (641, 287720), (1282, 143860), (2564, 71930), (3205, 57544), (5128, 35965), (6410, 28772), (7193, 25640), (12820, 14386)]