55782520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7079}}^1$

素因数の和:7287

約数の個数: 32

約数和(自身を含む): 126165600

約数和(自身を除く): 70383080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7079, 7880, 14158, 28316, 35395, 56632, 70790, 141580, 283160, 1394563, 2789126, 5578252, 6972815, 11156504, 13945630, 27891260, 55782520]

約数ペア:

[(1, 55782520), (2, 27891260), (4, 13945630), (5, 11156504), (8, 6972815), (10, 5578252), (20, 2789126), (40, 1394563), (197, 283160), (394, 141580), (788, 70790), (985, 56632), (1576, 35395), (1970, 28316), (3940, 14158), (7079, 7880)]