55166420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 68575660

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 2789, 3956, 4945, 5578, 9890, 11156, 13945, 19780, 27890, 55780, 64147, 119927, 128294, 239854, 256588, 320735, 479708, 599635, 641470, 1199270, 1282940, 2398540, 2758321, 5516642, 11033284, 13791605, 27583210, 55166420]

約数ペア:

[(1, 55166420), (2, 27583210), (4, 13791605), (5, 11033284), (10, 5516642), (20, 2758321), (23, 2398540), (43, 1282940), (46, 1199270), (86, 641470), (92, 599635), (115, 479708), (172, 320735), (215, 256588), (230, 239854), (430, 128294), (460, 119927), (860, 64147), (989, 55780), (1978, 27890), (2789, 19780), (3956, 13945), (4945, 11156), (5578, 9890)]