54315980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66239}}^1$

素因数の和:66289

約数の個数: 24

約数和(自身を含む): 116847360

約数和(自身を除く): 62531380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 66239, 132478, 264956, 331195, 662390, 1324780, 2715799, 5431598, 10863196, 13578995, 27157990, 54315980]

約数ペア:

[(1, 54315980), (2, 27157990), (4, 13578995), (5, 10863196), (10, 5431598), (20, 2715799), (41, 1324780), (82, 662390), (164, 331195), (205, 264956), (410, 132478), (820, 66239)]